APA-Zitierstil (7. Ausg.)

Ernst, C. H. (2009). Turtles of the United States and Canada (2nd ed.). Johns Hopkins University Press.

Chicago-Zitierstil (17. Ausg.)

Ernst, Carl H. Turtles of the United States and Canada. 2nd ed. Baltimore: Johns Hopkins University Press, 2009.

MLA-Zitierstil (9. Ausg.)

Ernst, Carl H. Turtles of the United States and Canada. 2nd ed. Johns Hopkins University Press, 2009.