APA (7th ed.) Citation

Imlay, R. W. (1960). Early Cretaceous (Albian) ammonites from the Chitina Valley and Talkeetna Mountains, Alaska. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Imlay, Ralph W. Early Cretaceous (Albian) Ammonites from the Chitina Valley and Talkeetna Mountains, Alaska. Washington: U.S. Govt. Print. Off, 1960.

MLA (9th ed.) Citation

Imlay, Ralph W. Early Cretaceous (Albian) Ammonites from the Chitina Valley and Talkeetna Mountains, Alaska. U.S. Govt. Print. Off, 1960.