APA aipamena

Blackwelder, R. E. (1963). Classification of the animal kingdom. Southern Illinois University Press.

Chicago Style aipamena

Blackwelder, Richard E. Classification of the Animal Kingdom. Carbondale, Ill: Southern Illinois University Press, 1963.

MLA aipamena

Blackwelder, Richard E. Classification of the Animal Kingdom. Southern Illinois University Press, 1963.