APA (7th ed.) Citation

Janson, T. (2012). The history of languages: An introduction. Oxford University Press.

Chicago Style (17th ed.) Citation

Janson, Tore. The History of Languages: An Introduction. Oxford ; New York: Oxford University Press, 2012.

MLA (9th ed.) Citation

Janson, Tore. The History of Languages: An Introduction. Oxford University Press, 2012.