APA (7th ed.) Citation

United States. Bureau of Entomology. (1910). Oyster-shell scale and scurfy scale. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology. Oyster-shell Scale and Scurfy Scale. [Washington]: GPO, 1910.

MLA (9th ed.) Citation

United States. Bureau of Entomology. Oyster-shell Scale and Scurfy Scale. GPO, 1910.

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