APA-referens (7:e uppl.)
Lannoo, M. J. (2010). Leopold's shack and Ricketts's lab: The emergence of environmentalism. University of California Press.
Chicago-referens (17:e uppl.)
Lannoo, Michael J. Leopold's Shack and Ricketts's Lab: The Emergence of Environmentalism. Berkeley: University of California Press, 2010.
MLA-referens (9:e uppl.)
Lannoo, Michael J. Leopold's Shack and Ricketts's Lab: The Emergence of Environmentalism. University of California Press, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.