APA引文

Freeman, R. A. (1936). The Penrose mystery. Blue Ribbon Books.

Chicago Style (17th ed.) Citation

Freeman, R. Austin. The Penrose Mystery. New York: Blue Ribbon Books, 1936.

MLA引文

Freeman, R. Austin. The Penrose Mystery. Blue Ribbon Books, 1936.

警告：這些引文格式不一定是100％准確.