APA引文

Sproul, R. C. (2003). Defending your Faith: An introduction to apologetics. Crossway.

Chicago Style (17th ed.) Citation

Sproul, R. C. Defending Your Faith: An Introduction to Apologetics. Wheaton, IL: Crossway, 2003.

MLA引文

Sproul, R. C. Defending Your Faith: An Introduction to Apologetics. Crossway, 2003.

警告：這些引文格式不一定是100％准確.