APA (7th ed.) Citation

Frederique & Papy. (1971). Graph games. Thomas Y. Crowell.

Chicago Style (17th ed.) Citation

Frederique and Papy. Graph Games. New York: Thomas Y. Crowell, 1971.

MLA (9th ed.) Citation

Frederique and Papy. Graph Games. Thomas Y. Crowell, 1971.

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