APA (7th ed.) Citation

Davis, W. M., King, P. B., & Schumm, S. A. (1980). The physical geography (geomorphology) of William Morris Davis. Geo Abstracts.

Chicago Style (17th ed.) Citation

Davis, William Morris, Philip B. King, and Stanley A. Schumm. The Physical Geography (geomorphology) of William Morris Davis. Norwich: Geo Abstracts, 1980.

MLA (9th ed.) Citation

Davis, William Morris, et al. The Physical Geography (geomorphology) of William Morris Davis. Geo Abstracts, 1980.