Cita APA (7a ed.)
Keppler, H., & Scully, J. Modern photography: Annual'70. Billboard Books.
Cita estilo Chicago (17a ed.)
Keppler, Herbert, y Julia Scully. Modern Photography: Annual'70. Cincinnati, EUA: Billboard Books.
Cita MLA (9a ed.)
Keppler, Herbert, y Julia Scully. Modern Photography: Annual'70. Billboard Books.
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