APA (7th ed.) Citation

Imlay, R. W., & Jones, D. L. (1970). Ammonites from the Buchia zones in northwestern California and southwestern Oregon. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Imlay, Ralph W., and David Lawrence Jones. Ammonites from the Buchia Zones in Northwestern California and Southwestern Oregon. Washington: U.S. Govt. Print. Off, 1970.

MLA (9th ed.) Citation

Imlay, Ralph W., and David Lawrence Jones. Ammonites from the Buchia Zones in Northwestern California and Southwestern Oregon. U.S. Govt. Print. Off, 1970.