Leonard, J. (1973). This pen for hire: By John Leonard. Doubleday.
Chicago-Zitierstil (17. Ausg.)Leonard, John. This Pen for Hire: By John Leonard. Garden City, NY: Doubleday, 1973.
MLA-Zitierstil (8. Ausg.)Leonard, John. This Pen for Hire: By John Leonard. Doubleday, 1973.
警告：這些引文格式不一定是100％准確.