APA引文

Heinlein, R. A., & Robinson, S. (2006). Variable star. Tor.

Chicago Style (17th ed.) Citation

Heinlein, Robert A., and Spider Robinson. Variable Star. New York: Tor, 2006.

MLA引文

Heinlein, Robert A., and Spider Robinson. Variable Star. Tor, 2006.

警告：這些引文格式不一定是100％准確.