APA (7th ed.) Citation

Greeson, P. E. (1982). An annotated key to the identification of commonly occurring and dominant genera of algae observed in the phytoplankton of the United States. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Greeson, Phillip E. An Annotated Key to the Identification of Commonly Occurring and Dominant Genera of Algae Observed in the Phytoplankton of the United States. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1982.

MLA (9th ed.) Citation

Greeson, Phillip E. An Annotated Key to the Identification of Commonly Occurring and Dominant Genera of Algae Observed in the Phytoplankton of the United States. U.S. Dept. of the Interior, Geological Survey, 1982.