APA (7th ed.) Citation

Bednar, G. A., Collier, C. R., & Cross, W. P. (1968). Analysis of water quality of the Mahoning River in Ohio. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Bednar, Gene A., Charles R. Collier, and William P. Cross. Analysis of Water Quality of the Mahoning River in Ohio. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1968.

MLA (9th ed.) Citation

Bednar, Gene A., et al. Analysis of Water Quality of the Mahoning River in Ohio. United States Department of the Interior, Geological Survey, 1968.