APA (7th ed.) Citation
O'Brian, P., & Spiel, C. (1979). Pablo Picasso: (Pablo Ruiz Picasso [Deutsch]). Hoffmann u. Campe.
Chicago Style (17th ed.) Citation
O'Brian, Patrick, and Christian Spiel. Pablo Picasso: (Pablo Ruiz Picasso [Deutsch]). Hamburg: Hoffmann u. Campe, 1979.
MLA (9th ed.) Citation
O'Brian, Patrick, and Christian Spiel. Pablo Picasso: (Pablo Ruiz Picasso [Deutsch]). Hoffmann u. Campe, 1979.
Warning: These citations may not always be 100% accurate.