APA-referens (7:e uppl.)

Ivins, A. (1965). The beginning knowledge book of turtles. Rutledge.

Chicago-referens (17:e uppl.)

Ivins, Ann. The Beginning Knowledge Book of Turtles. New York: Rutledge, 1965.

MLA-referens (9:e uppl.)

Ivins, Ann. The Beginning Knowledge Book of Turtles. Rutledge, 1965.