APA (7th ed.) Citation

Sitomer, M., & Sitomer, H. (1971). Circles. Thomas Y. Crowell.

Chicago Style (17th ed.) Citation

Sitomer, Mindel, and Harry Sitomer. Circles. New York: Thomas Y. Crowell, 1971.

MLA (9th ed.) Citation

Sitomer, Mindel, and Harry Sitomer. Circles. Thomas Y. Crowell, 1971.

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