APA

Macaw Books, . (2008). Amphibians. New York: Macaw Books.

Chicago

Macaw Books, . 2008. Amphibians. New York: Macaw Books.

Harvard

Macaw Books, . (2008). Amphibians. New York: Macaw Books.

MLA

Macaw Books, . Amphibians. New York: Macaw Books. 2008.