Langer, L. L. (1978). Survival through art: The career of Gertrud Kolmar / Lawrence L. Langer. Year Book / Leo Baeck Institute.
Chicago-Zitierstil (17. Ausg.)Langer, Lawrence L. "Survival Through Art: The Career of Gertrud Kolmar / Lawrence L. Langer." Year Book / Leo Baeck Institute 1978.
MLA-Zitierstil (8. Ausg.)Langer, Lawrence L. "Survival Through Art: The Career of Gertrud Kolmar / Lawrence L. Langer." Year Book / Leo Baeck Institute, 1978.
警告：这些引文格式不一定是100％准确.