APA (7th ed.) Citation

Collis, H., & Kohl, J. (1996). 101 American English riddles: Understanding language and culture through humoe. Passport Books.

Chicago Style (17th ed.) Citation

Collis, Harry, and Joe Kohl. 101 American English Riddles: Understanding Language and Culture Through Humoe. Illinois: Passport Books, 1996.

MLA (9th ed.) Citation

Collis, Harry, and Joe Kohl. 101 American English Riddles: Understanding Language and Culture Through Humoe. Passport Books, 1996.