Kuehn, K. G. (1997). Caught: The art of photography in the German Democratic Republic / Karl Gernot Kuehn. University of California Press.
Chicago-Zitierstil (17. Ausg.)Kuehn, Karl Gernot. Caught: The Art of Photography in the German Democratic Republic / Karl Gernot Kuehn. Berkeley, Calif. [u.a.]: University of California Press, 1997.
MLA-Zitierstil (8. Ausg.)Kuehn, Karl Gernot. Caught: The Art of Photography in the German Democratic Republic / Karl Gernot Kuehn. University of California Press, 1997.
警告：這些引文格式不一定是100％准確.