Cita APA (7a ed.)

Altner, M., & Köpcke, A. (2003). Art is work, work is art: Arthur Köpcke zum 75. Geburtstag.

Cita Chicago Style (17a ed.)

Altner, Marvin, y Arthur Köpcke. Art Is Work, Work Is Art: Arthur Köpcke Zum 75. Geburtstag. Hamburg, 2003.

Cita MLA (8a ed.)

Altner, Marvin, y Arthur Köpcke. Art Is Work, Work Is Art: Arthur Köpcke Zum 75. Geburtstag. 2003.