APA (7th ed.) Citation

HORNBY, A. (1969). An English-: Reader's dictionary. O.U.P.

Chicago Style (17th ed.) Citation

HORNBY, A.S. An English-: Reader's Dictionary. London: O.U.P, 1969.

MLA (9th ed.) Citation

HORNBY, A.S. An English-: Reader's Dictionary. O.U.P, 1969.