APA (7th ed.) Citation

Hopkins, A. D. (1899). Preliminary report on insect enemies of forests in Northwest: Account of results gained from reconnaissance trip made in spring and early summer of 1899. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Hopkins, A. D. Preliminary Report on Insect Enemies of Forests in Northwest: Account of Results Gained from Reconnaissance Trip Made in Spring and Early Summer of 1899. [Washington, D.C.]: U.S. Government Printing Office, 1899.

MLA (9th ed.) Citation

Hopkins, A. D. Preliminary Report on Insect Enemies of Forests in Northwest: Account of Results Gained from Reconnaissance Trip Made in Spring and Early Summer of 1899. U.S. Government Printing Office, 1899.