APA引文

Croucher, R. M. (1976). The Observer's Book of Motorcycles. London: Frederick Warne & CO LTD.

Trích dẫn kiểu Chicago

Croucher, Robert M. The Observer's Book of Motorcycles. London: Frederick Warne & CO LTD, 1976.

MLA引文

Croucher, Robert M. The Observer's Book of Motorcycles. London: Frederick Warne & CO LTD, 1976.

警告：這些引文格式不一定是100％准確.