APA (7th ed.) Citation

Hornby, A. . . . . S. (1986). Oxford ESL dictionary: For students of American English. Oxford University Press.

Chicago Style (17th ed.) Citation

Hornby, A S. Oxford ESL Dictionary: For Students of American English. Oxford: Oxford University Press, 1986.

MLA (9th ed.) Citation

Hornby, A S. Oxford ESL Dictionary: For Students of American English. Oxford University Press, 1986.