APA (7th ed.) Citation

Wells, H. G. (1985). In the days of the comet. Hogarth Press.

Chicago Style (17th ed.) Citation

Wells, H. G. In the Days of the Comet. London: Hogarth Press, 1985.

MLA (9th ed.) Citation

Wells, H. G. In the Days of the Comet. Hogarth Press, 1985.