Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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