Citazione Stile APA (7a Edizione)
Cox, T. R. (1988). The park builders: A history of state parks in the Pacific northwest. University of Washington Press.
Citazione stile Chigago Style (17a edizione)
Cox, Thomas R. The Park Builders: A History of State Parks in the Pacific Northwest. Seattle: University of Washington Press, 1988.
Citatione MLA (9a ed.)
Cox, Thomas R. The Park Builders: A History of State Parks in the Pacific Northwest. University of Washington Press, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.