APA (7th ed.) Citation

Barr, T. C. Studies on the Cavernicole Ptomaphagus of the United States (Coleoptera: Catopidae). Wiley.

Chicago Style (17th ed.) Citation

Barr, Thomas C. Studies on the Cavernicole Ptomaphagus of the United States (Coleoptera: Catopidae). Wiley.

MLA (9th ed.) Citation

Barr, Thomas C. Studies on the Cavernicole Ptomaphagus of the United States (Coleoptera: Catopidae). Wiley.

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