APA (7th ed.) Citation

United States. Bureau of Entomology and Plant Quarantine. (1935). Camphor scale [agricultural pest]. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology and Plant Quarantine. Camphor Scale [agricultural Pest]. [Washington]: [s.n.], 1935.

MLA (9th ed.) Citation

United States. Bureau of Entomology and Plant Quarantine. Camphor Scale [agricultural Pest]. [s.n.], 1935.

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