APA (7th ed.) Citation

Wigle, R., Dowling, P., & Jennings, P. (1973). Mathematical pursuits, one. Macmillan.

Chicago Style (17th ed.) Citation

Wigle, Robert, Paul Dowling, and Paul Jennings. Mathematical Pursuits, One. Toronto: Macmillan, 1973.

MLA (9th ed.) Citation

Wigle, Robert, et al. Mathematical Pursuits, One. Macmillan, 1973.