Cita APA (7a ed.)

Clarke, R. B. (1971). The Illustrated Encyclopedia of the Animal Kindom. The Danbury Press.

Cita Chicago Style (17a ed.)

Clarke, Robert B. The Illustrated Encyclopedia of the Animal Kindom. Milan, Italia: The Danbury Press, 1971.

Cita MLA (9a ed.)

Clarke, Robert B. The Illustrated Encyclopedia of the Animal Kindom. The Danbury Press, 1971.