Cita APA (7th ed.)
Gwathmey and Siegel & Cheviakoff, S. Gwathmey and Siegel. H Kliczkowski-Onlybook.
Cita Chicago (17th ed.)
Gwathmey and Siegel i Sofía Cheviakoff. Gwathmey and Siegel. Madrid, España: H Kliczkowski-Onlybook.
Cita MLA (9th ed.)
Gwathmey and Siegel i Sofía Cheviakoff. Gwathmey and Siegel. H Kliczkowski-Onlybook.
Atenció: Aquestes cites poden no estar 100% correctes.