Cita APA (7a ed.)

Errington, P. L., Schwartz, C. W., & Sivils, M. W. (2015). Of Wilderness and Wolves. University of Iowa Press.

Cita Chicago Style (17a ed.)

Errington, Paul L., Charles Walsh Schwartz, y Matthew Wynn Sivils. Of Wilderness and Wolves. Iowa City: University of Iowa Press, 2015.

Cita MLA (8a ed.)

Errington, Paul L., et al. Of Wilderness and Wolves. University of Iowa Press, 2015.