APA (7th ed.) Citation

COMTON'S. (1985). Comton's precyclopedia v.9. Encyclopedia Britanica.

Chicago Style (17th ed.) Citation

COMTON'S. Comton's Precyclopedia V.9. Britania: Encyclopedia Britanica, 1985.

MLA (9th ed.) Citation

COMTON'S. Comton's Precyclopedia V.9. Encyclopedia Britanica, 1985.