The concise Oxford dictionary of current English.

MLA

Sykes, J. B. The Concise Oxford Dictionary of Current English. Oxford: Clarendon, 1978.

APA

Sykes, J. B. (1978). The concise Oxford dictionary of current English. Oxford: Clarendon.

Chicago

Sykes, J. B. The Concise Oxford Dictionary of Current English. Oxford: Clarendon, 1978.