एपीए उद्धरण

Collis, H. (1996). 101 American English Riddles. Illinois: Passport Books.

शिकागो स्टाइल उद्धरण

Collis, Harry. 101 American English Riddles. Illinois: Passport Books, 1996.

एमएलए उद्धरण

Collis, Harry. 101 American English Riddles. Illinois: Passport Books, 1996.