Cita APA (7th ed.)

National Plant Food Institute (U.S.). (1955). Plant food review. National Plant Food Institute.

Cita Chicago (17th ed.)

National Plant Food Institute (U.S.). Plant Food Review. Washington, D.C.: National Plant Food Institute, 1955.

Cita MLA (8th ed.)

National Plant Food Institute (U.S.). Plant Food Review. National Plant Food Institute, 1955.