APA (7th ed.) Citation

Ketelle, M. J., & Uttormark, P. D. Problem lakes in the United States.

Chicago Style (17th ed.) Citation

Ketelle, Martha J., and Paul D. Uttormark. Problem Lakes in the United States.

MLA (9th ed.) Citation

Ketelle, Martha J., and Paul D. Uttormark. Problem Lakes in the United States.

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