APA (7th ed.) Citation

Brown, H. E., Monnett, V. E., & Stovall, J. W. (1958). Introduction to geology. Ginn.

Chicago Style (17th ed.) Citation

Brown, Howard Elmer, Victor E. Monnett, and J. Willis Stovall. Introduction to Geology. New York: Ginn, 1958.

MLA (9th ed.) Citation

Brown, Howard Elmer, et al. Introduction to Geology. Ginn, 1958.