APA (7th ed.) Citation

Longwell, C. R., Knopf, A., & Flint, R. F. (1934). Outlines of physical geology. Wiley & Sons ; Chapman & Hall.

Chicago Style (17th ed.) Citation

Longwell, Chester R., Adolph Knopf, and Richard Foster Flint. Outlines of Physical Geology. New York : London: Wiley & Sons ; Chapman & Hall, 1934.

MLA (8th ed.) Citation

Longwell, Chester R., et al. Outlines of Physical Geology. Wiley & Sons ; Chapman & Hall, 1934.