APA (7th ed.) Zitazioa

Fitch, H. S. Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains.

Chicago Style (17th ed.) Zitazioa

Fitch, Henry S. Occurrence of the Garter Snake, Thamnophis Sirtalis, in the Great Plains and Rocky Mountains.

MLA (9th ed.) Zitazioa

Fitch, Henry S. Occurrence of the Garter Snake, Thamnophis Sirtalis, in the Great Plains and Rocky Mountains.