Stepan, P., & Billeter, E. (1999). Icons of photography: The 20th century / ed. by Peter Stephan. With contributions by: Erika Billeter. Prestel.
Chicago-referens (17:e uppl.)Stepan, Peter, och Erika Billeter. Icons of Photography: The 20th Century / Ed. by Peter Stephan. With Contributions by: Erika Billeter. Munich ; London ; New York: Prestel, 1999.
MLA-referens (8:e uppl.)Stepan, Peter, och Erika Billeter. Icons of Photography: The 20th Century / Ed. by Peter Stephan. With Contributions by: Erika Billeter. Prestel, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.