Nitrogen and phosphorus in water;
an annotated selected bibliography of their biological effects, by Kenneth M. Mackenthun.

APA Citation

United States. Division of Water Supply and Pollution Control., Mackenthun, K. Marsh. (1965). Nitrogen and phosphorus in water: an annotated selected bibliography of their biological effects, by Kenneth M. Mackenthun. [Washington].

MLA Citation

United States. Division of Water Supply and Pollution Control, and Kenneth Marsh Mackenthun. Nitrogen And Phosphorus In Water: an Annotated Selected Bibliography of Their Biological Effects, by Kenneth M. Mackenthun. [Washington], 1965.