APA (7th ed.) Citation

Asimov, I. (1973). The gods themselves. Panther Books.

Chicago Style (17th ed.) Citation

Asimov, Isaac. The Gods Themselves. London: Panther Books, 1973.

MLA (8th ed.) Citation

Asimov, Isaac. The Gods Themselves. Panther Books, 1973.

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