APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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