APA

Maantay J., Pickles J. & Ziegler J. (2006). GIS for the urban environment. New York: ESRI.

Chicago

Maantay Juliana, Pickles John and Ziegler John. 2006. GIS for the urban environment. New York: ESRI.

Harvard

Maantay J., Pickles J. and Ziegler J. (2006). GIS for the urban environment. New York: ESRI.

MLA

Maantay Juliana, Pickles John and Ziegler John. GIS for the urban environment. New York: ESRI. 2006.