APA (7th ed.) Citation

Holdstock, R. (1978). Encyclopedia of science fiction. Octopus Books.

Chicago Style (17th ed.) Citation

Holdstock, Robert. Encyclopedia of Science Fiction. London, England: Octopus Books, 1978.

MLA (8th ed.) Citation

Holdstock, Robert. Encyclopedia of Science Fiction. Octopus Books, 1978.

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