APA (7th ed.) Citation

Stableford, B. M. (1989). The way to write science fiction. Elm Tree.

Chicago Style (17th ed.) Citation

Stableford, Brian M. The Way to Write Science Fiction. London: Elm Tree, 1989.

MLA (9th ed.) Citation

Stableford, Brian M. The Way to Write Science Fiction. Elm Tree, 1989.