APA (7th ed.) Citation

Hornby, A. S. (1970). Oxford progressive English course (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Hornby, Albert Sydney. Oxford Progressive English Course. 2nd ed. London: Oxford University Press, 1970.

MLA (9th ed.) Citation

Hornby, Albert Sydney. Oxford Progressive English Course. 2nd ed. Oxford University Press, 1970.