Cita APA (7a ed.)

COMTON'S. (1985). Comton's precyclopedia v.6. Encyclopedia Britanica.

Cita Chicago Style (17a ed.)

COMTON'S. Comton's Precyclopedia V.6. Britania: Encyclopedia Britanica, 1985.

Cita MLA (9a ed.)

COMTON'S. Comton's Precyclopedia V.6. Encyclopedia Britanica, 1985.