APA Citation

Parker, B. M., & Ponderdorf, I. (1953). Animal world. Evanston, Ill: [s.n].

Chicago Style Citation

Parker, Bertha Morris, and Illa Ponderdorf. Animal World. Evanston, Ill: [s.n], 1953.

MLA Citation

Parker, Bertha Morris, and Illa Ponderdorf. Animal World. Evanston, Ill: [s.n], 1953.

Warning: These citations may not always be 100% accurate.