APA (7th ed.) Citation

Garnett, D. S. (1989). Zenith: The best in new British science fiction. Sphere.

Chicago Style (17th ed.) Citation

Garnett, David S. Zenith: The Best in New British Science Fiction. London: Sphere, 1989.

MLA (9th ed.) Citation

Garnett, David S. Zenith: The Best in New British Science Fiction. Sphere, 1989.