APA (7th ed.) Zitazioa

GEORGE, C. J. (1974). Urban ecology: In search of an asphalt rose. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

GEORGE, Carl J. Urban Ecology: In Search of an Asphalt Rose. New York: McGraw-Hill, 1974.

MLA (9th ed.) Zitazioa

GEORGE, Carl J. Urban Ecology: In Search of an Asphalt Rose. McGraw-Hill, 1974.