APA (7th ed.) Citation

Helgen, J. C. (2012). Peril in the ponds: Deformed frogs, politics, and a biologist's quest. University of Massachusetts Press.

Chicago Style (17th ed.) Citation

Helgen, Judith Cairncross. Peril in the Ponds: Deformed Frogs, Politics, and a Biologist's Quest. Amherst: University of Massachusetts Press, 2012.

MLA (8th ed.) Citation

Helgen, Judith Cairncross. Peril in the Ponds: Deformed Frogs, Politics, and a Biologist's Quest. University of Massachusetts Press, 2012.