Heske, E., Deelen, T. R., & Wydeven, A. P. (2009). Recovery of Gray Wolves in the Great Lakes Region of the United States: An Endangered Species Success Story. Springer New York. https://doi.org/10.1007/978-0-387-85952-1

Heske, Edward, Timothy R. Deelen, and Adrian P. Wydeven. Recovery of Gray Wolves in the Great Lakes Region of the United States: An Endangered Species Success Story. New York, NY: Springer New York, 2009. https://doi.org/10.1007/978-0-387-85952-1.

Heske, Edward, et al. Recovery of Gray Wolves in the Great Lakes Region of the United States: An Endangered Species Success Story. Springer New York, 2009. https://doi.org/10.1007/978-0-387-85952-1.