APA (7e ed.) Bronvermelding

(2009). Helmut Middendorf: Over the under the over ; 1997 - 2009 ; [. on the occasion of the exhibition.] / Benaki Museum, Athens. [In collaboration with the Macedonian Museum of Contemporary Art in Thessaloniki]. Kerber Verlag.

Chicago (17e ed.) Bronvermelding

Helmut Middendorf: Over the Under the over ; 1997 - 2009 ; [. on the Occasion of the Exhibition.] / Benaki Museum, Athens. [In Collaboration with the Macedonian Museum of Contemporary Art in Thessaloniki]. Bielefeld ; Leipzig: Kerber Verlag, 2009.

MLA (8e ed.) Bronvermelding

Helmut Middendorf: Over the Under the over ; 1997 - 2009 ; [. on the Occasion of the Exhibition.] / Benaki Museum, Athens. [In Collaboration with the Macedonian Museum of Contemporary Art in Thessaloniki]. Kerber Verlag, 2009.