APA (7th ed.) Citation

Butcher, N. (2002). 101 ways to fall asleep. Berkley books.

Chicago Style (17th ed.) Citation

Butcher, Nancy. 101 Ways to Fall Asleep. New york: Berkley books, 2002.

MLA (9th ed.) Citation

Butcher, Nancy. 101 Ways to Fall Asleep. Berkley books, 2002.

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