Cita APA (7a ed.)

Frei, G., & Henschel, M. (2010). Sigmar Polke: [. on the occasion of the exhibition.] / Thomas Ammann Fine Art AG. Text by Martin Henschel. Ed. Georg Frei.

Cita Chicago Style (17a ed.)

Frei, Georg, y Martin Henschel. Sigmar Polke: [. on the Occasion of the Exhibition.] / Thomas Ammann Fine Art AG. Text by Martin Henschel. Ed. Georg Frei. Zürich, 2010.

Cita MLA (8a ed.)

Frei, Georg, y Martin Henschel. Sigmar Polke: [. on the Occasion of the Exhibition.] / Thomas Ammann Fine Art AG. Text by Martin Henschel. Ed. Georg Frei. 2010.