APA (7th ed.) Citation

Mai, W. F. (1968). Pictorial key to genera of plant parasitic nematodes (3. rev.). Dep. of Plant Pathology, New York State College of Agriculture.

Chicago Style (17th ed.) Citation

Mai, William F. Pictorial Key to Genera of Plant Parasitic Nematodes. 3. rev. Ithaca, NY: Dep. of Plant Pathology, New York State College of Agriculture, 1968.

MLA (9th ed.) Citation

Mai, William F. Pictorial Key to Genera of Plant Parasitic Nematodes. 3. rev. Dep. of Plant Pathology, New York State College of Agriculture, 1968.