APA

Gazin C. L., . (1969). A new occurrence of Paleocene mammals in the Evanston formation, southwestern Wyoming. Washington: Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Chicago

Gazin C Lewis, . 1969. A new occurrence of Paleocene mammals in the Evanston formation, southwestern Wyoming. Washington: Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Harvard

Gazin C. L., . (1969). A new occurrence of Paleocene mammals in the Evanston formation, southwestern Wyoming. Washington: Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.].

MLA

Gazin C Lewis, . A new occurrence of Paleocene mammals in the Evanston formation, southwestern Wyoming. Washington: Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]. 1969.