Foley, G. (1976). The energy question. London: Penguin Books.
Trích dẫn kiểu ChicagoFoley, Gerald. The Energy Question. London: Penguin Books, 1976.
MLA引文Foley, Gerald. The Energy Question. London: Penguin Books, 1976.
警告：这些引文格式不一定是100％准确.
APA引文