APA-referens (7:e uppl.)
Langner, M., & Endlicher, W. (2014). Shrinking cities: Effects on urban ecology and challenges for urban development (Second, revised edition.). Peter Lang Edition.
Chicago-referens (17:e uppl.)
Langner, Marcel, och Wilfried Endlicher. Shrinking Cities: Effects on Urban Ecology and Challenges for Urban Development. Second, revised edition. Frankfurt, Germany: Peter Lang Edition, 2014.
MLA-referens (9:e uppl.)
Langner, Marcel, och Wilfried Endlicher. Shrinking Cities: Effects on Urban Ecology and Challenges for Urban Development. Second, revised edition. Peter Lang Edition, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.