APA (7th ed.) Citation

Imlay, R. W. (1948). Characteristic marine Jurassic fossils from the western interior of the United States. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Imlay, Ralph W. Characteristic Marine Jurassic Fossils from the Western Interior of the United States. Washington: U.S. Govt. Print. Off, 1948.

MLA (9th ed.) Citation

Imlay, Ralph W. Characteristic Marine Jurassic Fossils from the Western Interior of the United States. U.S. Govt. Print. Off, 1948.