APA (7th ed.) Citation

Shimer, J. A. (1968). This changing earth: An introduction to geology ([1st ed.].). Barnes & Noble.

Chicago Style (17th ed.) Citation

Shimer, John A. This Changing Earth: An Introduction to Geology. [1st ed.]. New York: Barnes & Noble, 1968.

MLA (9th ed.) Citation

Shimer, John A. This Changing Earth: An Introduction to Geology. [1st ed.]. Barnes & Noble, 1968.