Protocol for evaluating the nitrogen status of lake sediments.
APA Citation
Keeney, D. R., United States. Environmental Protection Agency. Office of Research and Development. (1974). Protocol for evaluating the nitrogen status of lake sediments. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off..
MLA Citation
Keeney, Dennis R, and United States. Environmental Protection Agency. Office of Research and Development. Protocol for Evaluating the Nitrogen Status of Lake Sediments. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1974.
Warning: These citations may not always be complete (especially for serials).