Cita APA (7th ed.)
Penrose, R., & Cles-Reden, S. v. (1961). Picasso. Leben und Werk: Picasso: His life and work. [Deutsch]. Piper.
Cita Chicago (17th ed.)
Penrose, Roland, i Sibylle von Cles-Reden. Picasso. Leben Und Werk: Picasso: His Life and Work. [Deutsch]. München: Piper, 1961.
Cita MLA (9th ed.)
Penrose, Roland, i Sibylle von Cles-Reden. Picasso. Leben Und Werk: Picasso: His Life and Work. [Deutsch]. Piper, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.