APA (7. basım) Alıntı

Ernst, C. H. (1989). Turtles of the world. Smithsonian Institution.

Chicago Style (17. basım) Atıf

Ernst, Carl H. Turtles of the World. Smithsonian Institution, 1989.

MLA (8th ed.) Atıf

Ernst, Carl H. Turtles of the World. Smithsonian Institution, 1989.