APA (7th ed.) Citation

(1975). Hell's cartographers: Some personal histories of science fiction writers. SF Horizons.

Chicago Style (17th ed.) Citation

Hell's Cartographers: Some Personal Histories of Science Fiction Writers. London: SF Horizons, 1975.

MLA (9th ed.) Citation

Hell's Cartographers: Some Personal Histories of Science Fiction Writers. SF Horizons, 1975.

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