APA (7th ed.) Citation

(1975). A. R. Penck. Kunsthalle [u.a.].

Chicago Style (17th ed.) Citation

A. R. Penck. Bern: Kunsthalle [u.a.], 1975.

MLA (9th ed.) Citation

A. R. Penck. Kunsthalle [u.a.], 1975.

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