APA (7th ed.) Citation

Harbaugh, J. W. (1968). Stratigraphy and Geologic Time: Brown Foundations of Earth Science. WM. C. Brown Company Publishers.

Chicago Style (17th ed.) Citation

Harbaugh, John W. Stratigraphy and Geologic Time: Brown Foundations of Earth Science. USA: WM. C. Brown Company Publishers, 1968.

MLA (9th ed.) Citation

Harbaugh, John W. Stratigraphy and Geologic Time: Brown Foundations of Earth Science. WM. C. Brown Company Publishers, 1968.