APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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