APA (7th ed.) Citation

Carpenter, D., Cuthbertson, E., Dart, E., & Sari. (1950). Arithmetic 7. MacMillan Co..

Chicago Style (17th ed.) Citation

Carpenter, Dale, Elizabeth Cuthbertson, Eleanor Dart, and Sari. Arithmetic 7. New York: MacMillan Co., 1950.

MLA (9th ed.) Citation

Carpenter, Dale, et al. Arithmetic 7. MacMillan Co., 1950.