APA (7th ed.) Citation

Wyndham, J. (1951). The day of the triffids ([1st ed.].). Doubleday.

Chicago Style (17th ed.) Citation

Wyndham, John. The Day of the Triffids. [1st ed.]. Garden City, N.Y.: Doubleday, 1951.

MLA (9th ed.) Citation

Wyndham, John. The Day of the Triffids. [1st ed.]. Doubleday, 1951.