Pittenger, W. (2000). Daring and suffering. Digital Scanning.
芝加哥风格引文Pittenger, William. Daring and Suffering. Scituate, Mass.: Digital Scanning, 2000.
MLA引文Pittenger, William. Daring and Suffering. Digital Scanning, 2000.
警告：这些引文格式不一定是100％准确.
APA引文