APA引文

Asimov, I., & McKeever, L. (2011). Forward the foundation (Unabridged.). Random House Audio.

Chicago Style (17th ed.) Citation

Asimov, Isaac, and Larry McKeever. Forward the Foundation. Unabridged. New York: Random House Audio, 2011.

MLA引文

Asimov, Isaac, and Larry McKeever. Forward the Foundation. Unabridged. Random House Audio, 2011.

警告：這些引文格式不一定是100％准確.