Cita APA (7th ed.)

(1974). Oskar Holweck. Heseler - Galerie moderner Kunst, Grafik-Edition.

Cita Chicago (17th ed.)

Oskar Holweck. München: Heseler - Galerie moderner Kunst, Grafik-Edition, 1974.

Cita MLA (8th ed.)

Oskar Holweck. Heseler - Galerie moderner Kunst, Grafik-Edition, 1974.