APA (7th ed.) Citation

Imlay, R. W. (1960). Ammonites of early cretaceous age (Valanginian and Hauterivian) from the Pacific coast states. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Imlay, Ralph W. Ammonites of Early Cretaceous Age (Valanginian and Hauterivian) from the Pacific Coast States. Washington: U.S. Govt. Print. Off, 1960.

MLA (9th ed.) Citation

Imlay, Ralph W. Ammonites of Early Cretaceous Age (Valanginian and Hauterivian) from the Pacific Coast States. U.S. Govt. Print. Off, 1960.

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