APA引文

Heinlein, R. A., & Robinson, S. (2007). Variable star. Blackstone Audio.

Chicago Style (17th ed.) Citation

Heinlein, Robert A., and Spider Robinson. Variable Star. Ashland, Or.: Blackstone Audio, 2007.

MLA引文

Heinlein, Robert A., and Spider Robinson. Variable Star. Blackstone Audio, 2007.

警告：這些引文格式不一定是100％准確.