APA (7th ed.) Citation

Wellock, T. R. (2007). Preserving the nation: The conservation and environmental movements, 1870 - 2000. Harlan Davidson, Inc.

Chicago Style (17th ed.) Citation

Wellock, Thomas R. Preserving the Nation: The Conservation and Environmental Movements, 1870 - 2000. Wheeling, Ill: Harlan Davidson, Inc, 2007.

MLA (9th ed.) Citation

Wellock, Thomas R. Preserving the Nation: The Conservation and Environmental Movements, 1870 - 2000. Harlan Davidson, Inc, 2007.