APA-Zitierstil (7. Ausg.)

Simpson, G. G. (1959). Two new records from the Bridger Middle Eocene of Tabernacle Butte, Wyoming.

Chicago-Zitierstil (17. Ausg.)

Simpson, George Gaylord. Two New Records from the Bridger Middle Eocene of Tabernacle Butte, Wyoming. New York, NY, 1959.

MLA-Zitierstil (9. Ausg.)

Simpson, George Gaylord. Two New Records from the Bridger Middle Eocene of Tabernacle Butte, Wyoming. 1959.