APA (7th ed.) Citation

Bell, E. T. (1954). G. O. G. 666 ([1st ed.].). Fantasy Press.

Chicago Style (17th ed.) Citation

Bell, Eric Temple. G. O. G. 666. [1st ed.]. Reading, Pa.: Fantasy Press, 1954.

MLA (9th ed.) Citation

Bell, Eric Temple. G. O. G. 666. [1st ed.]. Fantasy Press, 1954.