APA (7th ed.) Citation

Carnegie Institution of Washington, Chaney, R. W., Elias, M. K., Dorf, E., Axelrod, D. I., Condit, C., & Hesse, C. J. (1938). Miocene and Pliocene floras of western North America. Carnegie institution of Washington.

Chicago Style (17th ed.) Citation

Carnegie Institution of Washington, Ralph W. Chaney, Maxim K. Elias, Erling Dorf, Daniel I. Axelrod, Carlton Condit, and Curtis Julian Hesse. Miocene and Pliocene Floras of Western North America. Washington, D.C.: Carnegie institution of Washington, 1938.

MLA (9th ed.) Citation

Carnegie Institution of Washington, et al. Miocene and Pliocene Floras of Western North America. Carnegie institution of Washington, 1938.