Helgen, J. C. (2012). Peril in the Ponds: Deformed Frogs, Politics, and a Biologist's Quest. University of Massachusetts Press.
Style de citation Chicago (17e éd.)Helgen, Judith Cairncross. Peril in the Ponds: Deformed Frogs, Politics, and a Biologist's Quest. Amherst: University of Massachusetts Press, 2012.
Style de citation MLA (8e éd.)Helgen, Judith Cairncross. Peril in the Ponds: Deformed Frogs, Politics, and a Biologist's Quest. University of Massachusetts Press, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.