APA

Hornby A. S., Wakefield H. & Gatenby E. (1961). The advanced learner's dictionary of current English. London: Oxford University press.

Chicago

Hornby A S, Wakefield H and Gatenby E.V. 1961. The advanced learner's dictionary of current English. London: Oxford University press.

Harvard

Hornby A. S., Wakefield H. and Gatenby E. (1961). The advanced learner's dictionary of current English. London: Oxford University press.

MLA

Hornby A S, Wakefield H and Gatenby E.V. The advanced learner's dictionary of current English. London: Oxford University press. 1961.