APA (7th ed.) Citation

Collis, H. (2000). 101 American English customs. Passport Books.

Chicago Style (17th ed.) Citation

Collis, Harry. 101 American English Customs. Illinois: Passport Books, 2000.

MLA (9th ed.) Citation

Collis, Harry. 101 American English Customs. Passport Books, 2000.

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