APA (7th ed.) Citation

Ahrens, M. R., Bush, N. F., & Easley, R. K. (1949). Living chemistry (Rev. ed.). Ginn.

Chicago Style (17th ed.) Citation

Ahrens, Maurice Russell, Norris F. Bush, and Ray K. Easley. Living Chemistry. Rev. ed. Boston: Ginn, 1949.

MLA (8th ed.) Citation

Ahrens, Maurice Russell, et al. Living Chemistry. Rev. ed. Ginn, 1949.