Cita APA (7a ed.)
Escher, M., & Locher, J. M.C. Escher: His Life and Complete Graphic Work : With a Fully Illustrated Catalogue. Abradale.
Cita estilo Chicago (17a ed.)
Escher, M.C, y J.L Locher. M.C. Escher: His Life and Complete Graphic Work : With a Fully Illustrated Catalogue. Nueva York, EUA: Abradale.
Cita MLA (9a ed.)
Escher, M.C, y J.L Locher. M.C. Escher: His Life and Complete Graphic Work : With a Fully Illustrated Catalogue. Abradale.
Precaución: Estas citas no son 100% exactas.