Fiorentini, E. Subjective objective: The camera lucida and protomodern observers / Erna Fiorentini. Instrumente des Sehens.(2004).
Čikaški stil citiranja (17. izdanje)Fiorentini, Erna. "Subjective Objective: The Camera Lucida and Protomodern Observers / Erna Fiorentini." Instrumente Des Sehens.(2004) .
MLA način citiranja (8. izdanje)Fiorentini, Erna. "Subjective Objective: The Camera Lucida and Protomodern Observers / Erna Fiorentini." Instrumente Des Sehens.(2004), .
Upozorenje: Ovi citati možda nisu uvijek 100% točni.