APA (7th ed.) Citation

Anderson, P. (1962). Twilight world. Gollancz.

Chicago Style (17th ed.) Citation

Anderson, Poul. Twilight World. London: Gollancz, 1962.

MLA (8th ed.) Citation

Anderson, Poul. Twilight World. Gollancz, 1962.

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