APA (7th ed.) Citation

Pyenson, L. (1951). Elements of plant protection. Wiley.

Chicago Style (17th ed.) Citation

Pyenson, Louis. Elements of Plant Protection. New York: Wiley, 1951.

MLA (9th ed.) Citation

Pyenson, Louis. Elements of Plant Protection. Wiley, 1951.

Warning: These citations may not always be 100% accurate.