APA (7th ed.) Citation

Grabarchuk, S., Grabarchuk, P., & Grabarchuk, S., Jr. (2008). The simple book of not-so-simple puzzles. A.K. Peters, Limited.

Chicago Style (17th ed.) Citation

Grabarchuk, Serhiy, Peter Grabarchuk, and Serhiy Grabarchuk, Jr. The Simple Book of Not-so-simple Puzzles. Wellesley, Mass.: A.K. Peters, Limited, 2008.

MLA (9th ed.) Citation

Grabarchuk, Serhiy, et al. The Simple Book of Not-so-simple Puzzles. A.K. Peters, Limited, 2008.