APA (7th ed.) Citation

Hopkins, A. D. (1904). Catalogue of exhibits of insect enemies of forests and forest products at Louisiana Purchase Exposition, St. Louis, Mo., 1904. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Hopkins, A. D. Catalogue of Exhibits of Insect Enemies of Forests and Forest Products at Louisiana Purchase Exposition, St. Louis, Mo., 1904. [Washington, D.C.]: U.S. Government Printing Office, 1904.

MLA (9th ed.) Citation

Hopkins, A. D. Catalogue of Exhibits of Insect Enemies of Forests and Forest Products at Louisiana Purchase Exposition, St. Louis, Mo., 1904. U.S. Government Printing Office, 1904.