Luckow, D., Schnakenberg, S., & Callahan, H. M. (2013). Harry Callahan: Retrospektive ; Retrospective. Kehrer.
Chicagoスタイル(17版)引用形式Luckow, Dirk, Sabine Schnakenberg, , Harry M. Callahan. Harry Callahan: Retrospektive ; Retrospective. Heidelberg: Kehrer, 2013.
MLA(8版)引用形式Luckow, Dirk, et al. Harry Callahan: Retrospektive ; Retrospective. Kehrer, 2013.
警告: この引用は必ずしも正確ではありません.