APA Edition Citation

Grzimek, B. (1973). Animal life encyclopedia(Vol.9). Van nostrand.

Chicago Edition Citation

Grzimek, Bernhard. Animal Life Encyclopedia(Vol.9). New york: Van nostrand, 1973.

MLA Edition Citation

Grzimek, Bernhard. Animal Life Encyclopedia(Vol.9). Van nostrand, 1973.

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