APA-Zitierstil (7. Ausg.)

Stevens, M. S., Stevens, J. B., & Dawson, M. R. (1969). New Early Miocene formation and vertebrate local fauna, Big Bend National Park, Brewster County, Texas. Texas Memorial Museum.

Chicago-Zitierstil (17. Ausg.)

Stevens, Margaret Skeels, James B. Stevens, und Mary R. Dawson. New Early Miocene Formation and Vertebrate Local Fauna, Big Bend National Park, Brewster County, Texas. Austin, Tex: Texas Memorial Museum, 1969.

MLA-Zitierstil (9. Ausg.)

Stevens, Margaret Skeels, et al. New Early Miocene Formation and Vertebrate Local Fauna, Big Bend National Park, Brewster County, Texas. Texas Memorial Museum, 1969.