The concise Oxford dictionary of current English

MLA

Fowler, Henry Watson, and J. B Sykes. The Concise Oxford Dictionary of Current English. 6th ed., 10th impr. Oxford: Clarendon, 1980.

APA

Fowler, H. Watson, & Sykes, J. B. (1980). The concise Oxford dictionary of current English. 6th ed., 10th impr. Oxford: Clarendon.

Chicago

Fowler, Henry Watson ed., and J. B Sykes ed. The Concise Oxford Dictionary of Current English. 6th ed., 10th impr. Oxford: Clarendon, 1980.