APA (7th ed.) Citation

Ahrens, M. R., Bush, N. F., & Easley, R. K. (1955). Laboratory problems for Living chemistry. Ginn.

Chicago Style (17th ed.) Citation

Ahrens, Maurice Russell, Norris F. Bush, and Ray K. Easley. Laboratory Problems for Living Chemistry. Boston: Ginn, 1955.

MLA (8th ed.) Citation

Ahrens, Maurice Russell, et al. Laboratory Problems for Living Chemistry. Ginn, 1955.