Blume, A., Blume, B., & Sobel, D. Anna & Bernhard Blume: Photo-Works / Dean Sobel Milwaukee Art Museum. Oktagon [u.a.].
Chicagoスタイル(17版)引用形式Blume, Anna, Bernhard Blume, , Dean Sobel. Anna & Bernhard Blume: Photo-Works / Dean Sobel Milwaukee Art Museum. Stuttgart: Oktagon [u.a.].
MLA(8版)引用形式Blume, Anna, et al. Anna & Bernhard Blume: Photo-Works / Dean Sobel Milwaukee Art Museum. Oktagon [u.a.].
警告: この引用は必ずしも正確ではありません.