APA (7th ed.) Citation

United States. Bureau of Entomology. (1910). Information on pine butterfly in Idaho and Montana. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology. Information on Pine Butterfly in Idaho and Montana. [Washington]: [publisher not identified], 1910.

MLA (9th ed.) Citation

United States. Bureau of Entomology. Information on Pine Butterfly in Idaho and Montana. [publisher not identified], 1910.

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