Cita APA (7th ed.)

Calas, N., & Calas, E. (1960). The peggy guggenheim collection of modern art. Harry N. Abrams.

Cita Chicago (17th ed.)

Calas, Nicolas, i Elena Calas. The Peggy Guggenheim Collection of Modern Art. Nueva York: Harry N. Abrams, 1960.

Cita MLA (9th ed.)

Calas, Nicolas, i Elena Calas. The Peggy Guggenheim Collection of Modern Art. Harry N. Abrams, 1960.