APA Edition Citation

Burn, D. M. (1980). Encyclopedia of the animal world (in 21 volume). Octopus Books.

Chicago Edition Citation

Burn, David M. Encyclopedia of the Animal World (in 21 Volume). London: Octopus Books, 1980.

MLA Edition Citation

Burn, David M. Encyclopedia of the Animal World (in 21 Volume). Octopus Books, 1980.