APA (7th ed.) Citation

Moore, C. C. Twas the Night before Christmas: A Visit from St. Nicholas.

Chicago Style (17th ed.) Citation

Moore, Clement Clarke. Twas the Night Before Christmas: A Visit from St. Nicholas.

MLA (9th ed.) Citation

Moore, Clement Clarke. Twas the Night Before Christmas: A Visit from St. Nicholas.

Warning: These citations may not always be 100% accurate.