APA (7th ed.) Citation

Colman, S. M., & Pierce, K. L. (1979). Preliminary map showing Quaternary deposits and their dating potential in the conterminous United States. The Survey.

Chicago Style (17th ed.) Citation

Colman, Steven M., and Kenneth L. Pierce. Preliminary Map Showing Quaternary Deposits and Their Dating Potential in the Conterminous United States. Reston, Va.: The Survey, 1979.

MLA (9th ed.) Citation

Colman, Steven M., and Kenneth L. Pierce. Preliminary Map Showing Quaternary Deposits and Their Dating Potential in the Conterminous United States. The Survey, 1979.