APA (7th ed.) Citation

Hertlein, L. G. (1965). A new genus of gastropod (Drupinae) from the Pliocene of Oregon and California. Academy of Sciences.

Chicago Style (17th ed.) Citation

Hertlein, Leo George. A New Genus of Gastropod (Drupinae) from the Pliocene of Oregon and California. San Francisco, Calif: Academy of Sciences, 1965.

MLA (9th ed.) Citation

Hertlein, Leo George. A New Genus of Gastropod (Drupinae) from the Pliocene of Oregon and California. Academy of Sciences, 1965.