APA (7th ed.) Citation

(1985). The Hugo winners. edited by Isaac Asimov. Volume four.

Chicago Style (17th ed.) Citation

The Hugo Winners. Edited by Isaac Asimov. Volume Four. 1985.

MLA (9th ed.) Citation

The Hugo Winners. Edited by Isaac Asimov. Volume Four. 1985.

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