Cita APA

Blackmar, E., Diefendorf, J. M., Dorsey, K., Crosby, A. W. 1., & Dunlap, T. R. (2005). City, country, empire: Landscapes in environmental history. Pittsburgh, Pa: University of Pittsburg Press.

Citación estilo Chicago

Blackmar, Elizabeth, Jeffry M. Diefendorf, Kurk Dorsey, Alfred W. 1931- Crosby, y Thomas R. Dunlap. City, Country, Empire: Landscapes in Environmental History. Pittsburgh, Pa: University of Pittsburg Press, 2005.

Cita MLA

Blackmar, Elizabeth, et al. City, Country, Empire: Landscapes in Environmental History. Pittsburgh, Pa: University of Pittsburg Press, 2005.