APA Citation

Asimov, I., Greenberg, M., & Waugh, C. G. (1988). Intergalactic empires. London: Robinson Publishing.

Chicago Style Citation

Asimov, Isaac, Martin Greenberg, and Charles G. Waugh. Intergalactic Empires. London: Robinson Publishing, 1988.

MLA Citation

Asimov, Isaac, Martin Greenberg, and Charles G. Waugh. Intergalactic Empires. London: Robinson Publishing, 1988.

Warning: These citations may not always be 100% accurate.