linked list reversal recursive

using System;
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            Node head = null;
            LinkedList.Append(ref head, 1);
            LinkedList.Append(ref head, 2);
            LinkedList.Append(ref head, 3);
            LinkedList.Append(ref head, 4);
            //LinkedList.Reverse(ref head);
            //LinkedList.Print(head);

            Node res = LinkedList.ReverseRecursive(head, null);
            LinkedList.Print(res);
            Console.Read();
        }

        public static class LinkedList
        {
            public static void Append(ref Node head, int data)
            {
                if(head != null)
                {
                    Node current = head;
                    while(current.Next != null)
                    {
                        current = current.Next;
                    }
                    current.Next = new Node();
                    current.Next.Data = data;
                }
                else
                {
                    head = new Node();
                    head.Data = data;
                }
            }

            public static void Print(Node head)
            {
                if (head == null) return;
                Node current = head;
                do {
                    Console.WriteLine(current.Data);
                    current = current.Next;
                } while (current != null);
            }

            public static void Reverse(ref Node head)
            {
                if (head == null) return;

                Node prev = null, current = head, next = null;
                while(current.Next != null)
                {
                    next = current.Next;
                    current.Next = prev;
                    prev = current;
                    current = next;
                }
                current.Next = prev;
                head = current;
            }

            public static Node current;
            public static Node ReverseRecursive(Node head, Node prev)
            {
                if (head == null) return null;
                if (head.Next == null)
                {
                    current = head;
                    current.Next = prev;
                    return null;
                }
                Node next = head.Next;
                head.Next = prev;
                ReverseRecursive(next, head);
                return current;
            }
        }
        public class Node
        {
            public int Data = 0;
            public Node Next = null;
        }
    }
}