Cita APA (7a ed.)
The Kobal Collection, Hopp, G., & Duncan, P. Kelly. Taschen.
Cita estilo Chicago (17a ed.)
The Kobal Collection, Glenn Hopp, y Paul Duncan. Kelly. Colonia, Alemania: Taschen.
Cita MLA (9a ed.)
The Kobal Collection, et al. Kelly. Taschen.
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