APA (7th ed.) Citation

Hornby, A. S. (1969). Oxford progressive english course. Book 1 (17. impression.). Oxford University Press.

Chicago Style (17th ed.) Citation

Hornby, Albert Sydney. Oxford Progressive English Course. Book 1. 17. impression. London: Oxford University Press, 1969.

MLA (9th ed.) Citation

Hornby, Albert Sydney. Oxford Progressive English Course. Book 1. 17. impression. Oxford University Press, 1969.

Warning: These citations may not always be 100% accurate.