APA (7e ed.) Bronvermelding

Köhler, T., & Lütgens, A. (2017). Jeanne Mammen, the observer: Retrospective 1910-1975 ; [. on the occasion of the exhibition.] / Berlinische Galerie, Museum of Modern Art. Published by Thomas Köhler und Annelie Lütgens. Hirmer.

Chicago (17e ed.) Bronvermelding

Köhler, Thomas, en Annelie Lütgens. Jeanne Mammen, the Observer: Retrospective 1910-1975 ; [. on the Occasion of the Exhibition.] / Berlinische Galerie, Museum of Modern Art. Published by Thomas Köhler Und Annelie Lütgens. München: Hirmer, 2017.

MLA (8e ed.) Bronvermelding

Köhler, Thomas, en Annelie Lütgens. Jeanne Mammen, the Observer: Retrospective 1910-1975 ; [. on the Occasion of the Exhibition.] / Berlinische Galerie, Museum of Modern Art. Published by Thomas Köhler Und Annelie Lütgens. Hirmer, 2017.