APA (7th ed.) Citation

Posner, R. (1980). On the romance languages: An inaugural lecture delivered before the University of Oxford on 5 June 1980. Clarendon Press.

Chicago Style (17th ed.) Citation

Posner, Rebecca. On the Romance Languages: An Inaugural Lecture Delivered Before the University of Oxford on 5 June 1980. Oxford: Clarendon Press, 1980.

MLA (9th ed.) Citation

Posner, Rebecca. On the Romance Languages: An Inaugural Lecture Delivered Before the University of Oxford on 5 June 1980. Clarendon Press, 1980.