Speck, W., & Cane, H. (1991). The safer sex photobook: Photographs and video prints / Wieland Speck & Harry Cane. Vis-à-Vis.
Čikaški stil citiranja (17. izdanje)Speck, Wieland, i Harry Cane. The Safer Sex Photobook: Photographs and Video Prints / Wieland Speck & Harry Cane. Berlin: Vis-à-Vis, 1991.
MLA način citiranja (8. izdanje)Speck, Wieland, i Harry Cane. The Safer Sex Photobook: Photographs and Video Prints / Wieland Speck & Harry Cane. Vis-à-Vis, 1991.
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