APA (7th ed.) Citation

Cheronis, N. D., Parsons, J. B., & Ronneberg, C. E. (1942). The study of the physical world. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Cheronis, Nicholas Dimitrius, James B. Parsons, and Conrad E. Ronneberg. The Study of the Physical World. Boston: Houghton Mifflin, 1942.

MLA (9th ed.) Citation

Cheronis, Nicholas Dimitrius, et al. The Study of the Physical World. Houghton Mifflin, 1942.