Cita APA

Emry, R. J. 1. -., & Emry, R. J. 1. -. (1973). Stratigraphy and preliminary biostratigraphy of the Flagstaff Rim area, Natrona County Wyoming. Washington: Smithsonian Institution Press.

Citación estilo Chicago

Emry, Robert J. 1940 -, y Robert J. 1940 - Emry. Stratigraphy and Preliminary Biostratigraphy of the Flagstaff Rim Area, Natrona County Wyoming. Washington: Smithsonian Institution Press, 1973.

Cita MLA

Emry, Robert J. 1940 -, y Robert J. 1940 - Emry. Stratigraphy and Preliminary Biostratigraphy of the Flagstaff Rim Area, Natrona County Wyoming. Washington: Smithsonian Institution Press, 1973.