Kohler, R. E. (2006). All creatures: Naturalists, collectors, and biodiversity, 1850-1950. Princeton University Press.
Cita Chicago (17th ed.)Kohler, Robert E. All Creatures: Naturalists, Collectors, and Biodiversity, 1850-1950. New York: Princeton University Press, 2006.
Cita MLA (9th ed.)Kohler, Robert E. All Creatures: Naturalists, Collectors, and Biodiversity, 1850-1950. Princeton University Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.