APA (7th ed.) Citation

Davis, W. M., & Snyder, W. H. (1898). Physical geography. Ginn & Company.

Chicago Style (17th ed.) Citation

Davis, William Morris, and William Henry Snyder. Physical Geography. Boston [etc.]: Ginn & Company, 1898.

MLA (9th ed.) Citation

Davis, William Morris, and William Henry Snyder. Physical Geography. Ginn & Company, 1898.