APA (7th ed.) Citation

Geological Survey (U.S.), Churkin, M., Oliver, W. A., Armstrong, A. K., & Rowett, C. L. (1975). Paleozoic corals of Alaska.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Michael Churkin, William Albert Oliver, Augustus K. Armstrong, and Charles L. Rowett. Paleozoic Corals of Alaska. 1975.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Paleozoic Corals of Alaska. 1975.