Czaplicka, J. (1990). Envisioning America: Prints, drawings, and photographs by George Grosz and his contemporaries 1915-1933.
Chicago-Zitierstil (17. Ausg.)Czaplicka, John. Envisioning America: Prints, Drawings, and Photographs by George Grosz and His Contemporaries 1915-1933. 1990.
MLA-Zitierstil (8. Ausg.)Czaplicka, John. Envisioning America: Prints, Drawings, and Photographs by George Grosz and His Contemporaries 1915-1933. 1990.
警告：这些引文格式不一定是100％准确.