APA (7th ed.) Citation

Marks, B., & Snow, A. (1993). Calculator games, puzzles, and brainteasers. Tormont.

Chicago Style (17th ed.) Citation

Marks, Burton, and Alan Snow. Calculator Games, Puzzles, and Brainteasers. Montreal [Quebec]: Tormont, 1993.

MLA (9th ed.) Citation

Marks, Burton, and Alan Snow. Calculator Games, Puzzles, and Brainteasers. Tormont, 1993.