Reise, B. M. (1976). Who, what is "Sigmar Polke" and where can he be found?
Chicago Style (17th ed.) CitationReise, Barbara M. Who, What Is "Sigmar Polke" and Where Can He Be Found? 1976.
MLA (9th ed.) CitationReise, Barbara M. Who, What Is "Sigmar Polke" and Where Can He Be Found? 1976.
Warning: These citations may not always be 100% accurate.