APA (7th ed.) Citation

Campbell, J. M. (1984). A Catalog of the coleoptera of America North of Mexico: Family Micropeplidae. USDA-ARS.

Chicago Style (17th ed.) Citation

Campbell, J. M. A Catalog of the Coleoptera of America North of Mexico: Family Micropeplidae. Washington, D.C.: USDA-ARS, 1984.

MLA (9th ed.) Citation

Campbell, J. M. A Catalog of the Coleoptera of America North of Mexico: Family Micropeplidae. USDA-ARS, 1984.

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