Cite
Trees in the city: Valuing street trees in Portland, Oregon
MLA
Geoffrey H. Donovan, and David T. Butry. “Trees in the City: Valuing Street Trees in Portland, Oregon.” Landscape and Urban Planning, vol. 94, Feb. 2010, pp. 77–83. EBSCOhost, https://doi.org/10.1016/j.landurbplan.2009.07.019.
APA
Geoffrey H. Donovan, & David T. Butry. (2010). Trees in the city: Valuing street trees in Portland, Oregon. Landscape and Urban Planning, 94, 77–83. https://doi.org/10.1016/j.landurbplan.2009.07.019
Chicago
Geoffrey H. Donovan, and David T. Butry. 2010. “Trees in the City: Valuing Street Trees in Portland, Oregon.” Landscape and Urban Planning 94 (February): 77–83. doi:10.1016/j.landurbplan.2009.07.019.