APA-Zitierstil (7. Ausg.)

Kennedy, W. J., Landman, N. H., & Cobban, W. A. (1998). Engonoceratid ammonites from the Glen Rose limestone, Walnut Clay, Goodland limestone, and Comanche Peak limestone (Albian) in Texas: 8 tables. American Museum of Natural History.

Chicago-Zitierstil (17. Ausg.)

Kennedy, William J., Neil H. Landman, und William A. Cobban. Engonoceratid Ammonites from the Glen Rose Limestone, Walnut Clay, Goodland Limestone, and Comanche Peak Limestone (Albian) in Texas: 8 Tables. New York, NY: American Museum of Natural History, 1998.

MLA-Zitierstil (9. Ausg.)

Kennedy, William J., et al. Engonoceratid Ammonites from the Glen Rose Limestone, Walnut Clay, Goodland Limestone, and Comanche Peak Limestone (Albian) in Texas: 8 Tables. American Museum of Natural History, 1998.