APA (7th ed.) Citation

Penrose, R. Portrait of Picasso. Lund Humphries.

Chicago Style (17th ed.) Citation

Penrose, Roland. Portrait of Picasso. London: Lund Humphries.

MLA (9th ed.) Citation

Penrose, Roland. Portrait of Picasso. Lund Humphries.

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