APA (7th ed.) Citation

Harbaugh, J. W. (1970). Stratigraphy and geologic time. WM C Browmn Comp.

Chicago Style (17th ed.) Citation

Harbaugh, John W. Stratigraphy and Geologic Time. WM C Browmn Comp, 1970.

MLA (8th ed.) Citation

Harbaugh, John W. Stratigraphy and Geologic Time. WM C Browmn Comp, 1970.

Warning: These citations may not always be 100% accurate.