APA (7th ed.) Citation

Asimov, I. (1987). Asimov's new guide to science (4th ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Asimov, Isaac. Asimov's New Guide to Science. 4th ed. London: Penguin Books, 1987.

MLA (9th ed.) Citation

Asimov, Isaac. Asimov's New Guide to Science. 4th ed. Penguin Books, 1987.

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