APA Citation

Hockett, C. D., & Hockett, C. D. (1960). The origin of speech. [Lugar de publicación no identificado]: Scientific American.

Chicago Style Citation

Hockett, Charles D., and Charles D. Hockett. The Origin of Speech. [Lugar de publicación no identificado]: Scientific American, 1960.

MLA Citation

Hockett, Charles D., and Charles D. Hockett. The Origin of Speech. [Lugar de publicación no identificado]: Scientific American, 1960.

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