APA Style

Allen, R. E. (1990). Concise Oxford Dictionary (1). : Oxford University Press.

Chicago Style

Allen, R. E. Concise Oxford Dictionary. 1 : Oxford University Press, 1990. Non Fiction.

MLA Style

Allen, R. E. Concise Oxford Dictionary. 1 : Oxford University Press, 1990. Non Fiction.

Turabian Style

Allen, R. E. Concise Oxford Dictionary. 1 : Oxford University Press, 1990. Non Fiction.