APA (7th ed.) Citation

Collis, H., & Risso, M. (1994). Hundred and one american english idioms: Understanding and speaking english like an american. Passport Books.

Chicago Style (17th ed.) Citation

Collis, Harry, and Mario Risso. Hundred and One American English Idioms: Understanding and Speaking English like an American. Lincolnwood, Illinois: Passport Books, 1994.

MLA (9th ed.) Citation

Collis, Harry, and Mario Risso. Hundred and One American English Idioms: Understanding and Speaking English like an American. Passport Books, 1994.