APA (7th ed.) Citation

Tester, J. R., & Keirstead, M. (1995). Minnesota's natural heritage: An ecological perspective. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Tester, John R., and Mary Keirstead. Minnesota's Natural Heritage: An Ecological Perspective. Minneapolis: University of Minnesota Press, 1995.

MLA (9th ed.) Citation

Tester, John R., and Mary Keirstead. Minnesota's Natural Heritage: An Ecological Perspective. University of Minnesota Press, 1995.