APA引文
Sheldon, C. M. (1948). In His steps to-day. David C. Cook.
Chicago Style (17th ed.) Citation
Sheldon, Charles M. In His Steps To-day. Illinois: David C. Cook, 1948.
MLA引文
Sheldon, Charles M. In His Steps To-day. David C. Cook, 1948.
警告：這些引文格式不一定是100％准確.