APA-Zitierstil (7. Ausg.)

Simpson, G. G. (1959). A new Middle Eocene edentate from Wyoming.

Chicago-Zitierstil (17. Ausg.)

Simpson, George Gaylord. A New Middle Eocene Edentate from Wyoming. New York, NY, 1959.

MLA-Zitierstil (9. Ausg.)

Simpson, George Gaylord. A New Middle Eocene Edentate from Wyoming. 1959.