APA استشهاد

Warner, S. B. (1972). Urban wilderness: History of the American city. Harper & Row.

استشهاد بنمط شيكاغو

Warner, Sam Bass. Urban Wilderness: History of the American City. New York: Harper & Row, 1972.

MLA استشهاد

Warner, Sam Bass. Urban Wilderness: History of the American City. Harper & Row, 1972.