APA (7th ed.) Citation

United States. Bureau of Entomology and Plant Quarantine. (1937). Effectiveness of cultivation as control for corn earworm. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology and Plant Quarantine. Effectiveness of Cultivation as Control for Corn Earworm. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

United States. Bureau of Entomology and Plant Quarantine. Effectiveness of Cultivation as Control for Corn Earworm. [s.n.], 1937.