APA (7th ed.) Citation

Harbaugh, J. W. (1978). Stratigraphy and the geologic time scale. WMC Brown.

Chicago Style (17th ed.) Citation

Harbaugh, John W. Stratigraphy and the Geologic Time Scale. WMC Brown, 1978.

MLA (8th ed.) Citation

Harbaugh, John W. Stratigraphy and the Geologic Time Scale. WMC Brown, 1978.

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