Cita APA (7th ed.)

Mackenthum, K. M. (1969). The practice of water pollution biology. United States Department of Interior, Federal Water Pollution Control Administration, Division Technical Support.

Cita Chicago (17th ed.)

Mackenthum, Kenneth M. The Practice of Water Pollution Biology. Washington, D.C: United States Department of Interior, Federal Water Pollution Control Administration, Division Technical Support, 1969.

Cita MLA (9th ed.)

Mackenthum, Kenneth M. The Practice of Water Pollution Biology. United States Department of Interior, Federal Water Pollution Control Administration, Division Technical Support, 1969.