APA (7e ed.) Bronvermelding

Walker, R. (2007). The country in the city: The greening of the San Francisco Bay Area. University of Washington Press.

Chicago (17e ed.) Bronvermelding

Walker, Richard. The Country in the City: The Greening of the San Francisco Bay Area. Seattle: University of Washington Press, 2007.

MLA (9e ed.) Bronvermelding

Walker, Richard. The Country in the City: The Greening of the San Francisco Bay Area. University of Washington Press, 2007.