APA (7th ed.) Citation

Blackwelder, R. E. (1944). Checklist of the coleopterous insects of Mexico, Central America, the West Indies, and South America. United States Government Printing.

Chicago Style (17th ed.) Citation

Blackwelder, Richard E. Checklist of the Coleopterous Insects of Mexico, Central America, the West Indies, and South America. Washington: United States Government Printing, 1944.

MLA (9th ed.) Citation

Blackwelder, Richard E. Checklist of the Coleopterous Insects of Mexico, Central America, the West Indies, and South America. United States Government Printing, 1944.