APA (7th ed.) Citation

Pallas, N., & Behr, J. (1991). Calculator puzzles, trick and games. Dover Publications, Inc..

Chicago Style (17th ed.) Citation

Pallas, Norvin, and Joyce Behr. Calculator Puzzles, Trick and Games. New York: Dover Publications, Inc., 1991.

MLA (9th ed.) Citation

Pallas, Norvin, and Joyce Behr. Calculator Puzzles, Trick and Games. Dover Publications, Inc., 1991.

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