Cita APA (7a ed.)
Janson, T. (2002). Speak: A short history of languages. Oxford University Press.
Cita Chicago Style (17a ed.)
Janson, Tore. Speak: A Short History of Languages. Oxford ; New York: Oxford University Press, 2002.
Cita MLA (9a ed.)
Janson, Tore. Speak: A Short History of Languages. Oxford University Press, 2002.
Precaución: Estas citas no son 100% exactas.