APA (7th ed.) Citation

United States. Bureau of Entomology. (1915). Monthly letter of Bureau of Entomology. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology. Monthly Letter of Bureau of Entomology. [Washington]: GPO, 1915.

MLA (9th ed.) Citation

United States. Bureau of Entomology. Monthly Letter of Bureau of Entomology. GPO, 1915.

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