Vogt, P., & Grochowiak, T. (1982). German Expressionist Paintings: Beckmann. National Gallery of Modern Art.
Chicago-Zitierstil (17. Ausg.)Vogt, Paul, und Thomas Grochowiak. German Expressionist Paintings: Beckmann. New Delhi: National Gallery of Modern Art, 1982.
MLA-Zitierstil (8. Ausg.)Vogt, Paul, und Thomas Grochowiak. German Expressionist Paintings: Beckmann. National Gallery of Modern Art, 1982.
警告：這些引文格式不一定是100％准確.