Cita APA (7th ed.)
Horn, M. (1977). The World Encyclopedia of Comics. Avon Books.
Cita Chicago (17th ed.)
Horn, Maurice. The World Encyclopedia of Comics. Nueva York, EUA: Avon Books, 1977.
Cita MLA (9th ed.)
Horn, Maurice. The World Encyclopedia of Comics. Avon Books, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.