APA (7th ed.) Citation

Sitomer, M., & Sitomer, H. (1972). Line-segments-polygons. Thomas Y. Crowell.

Chicago Style (17th ed.) Citation

Sitomer, Mindel, and Harry Sitomer. Line-segments-polygons. New York: Thomas Y. Crowell, 1972.

MLA (9th ed.) Citation

Sitomer, Mindel, and Harry Sitomer. Line-segments-polygons. Thomas Y. Crowell, 1972.