APA引文
Pieper, J. (1986). On hope. Ignatius Press.
Chicago Style (17th ed.) Citation
Pieper, Josef. On Hope. San Francisco (CA): Ignatius Press, 1986.
MLA引文
Pieper, Josef. On Hope. Ignatius Press, 1986.
警告：這些引文格式不一定是100％准確.