APA (7th ed.) Citation

Penrose, R. (1961). Picasso. Zwemmer.

Chicago Style (17th ed.) Citation

Penrose, Roland. Picasso. London: Zwemmer, 1961.

MLA (9th ed.) Citation

Penrose, Roland. Picasso. Zwemmer, 1961.

Warning: These citations may not always be 100% accurate.