APA (7th ed.) Citation

Carnell, J. (1972). New writings in SF-20 (Corgi ed.). Corgi Books.

Chicago Style (17th ed.) Citation

Carnell, John. New Writings in SF-20. Corgi ed. London: Corgi Books, 1972.

MLA (8th ed.) Citation

Carnell, John. New Writings in SF-20. Corgi ed. Corgi Books, 1972.