APA Edition Citation

Project Ltd Elseiver international. (1972). Encyclopedia of the animal world v.21. Hong Kong.

Chicago Edition Citation

Project Ltd Elseiver international. Encyclopedia of the Animal World V.21. Hong Kong, 1972.

MLA Edition Citation

Project Ltd Elseiver international. Encyclopedia of the Animal World V.21. Hong Kong, 1972.

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