Cita APA (7a ed.)

Aitchison, J. (2007). The seeds of speech: Language origin and evolution. Cambridge University Press.

Cita Chicago Style (17a ed.)

Aitchison, Jean. The Seeds of Speech: Language Origin and Evolution. Cambridge [etc.]: Cambridge University Press, 2007.

Cita MLA (9a ed.)

Aitchison, Jean. The Seeds of Speech: Language Origin and Evolution. Cambridge University Press, 2007.