APA (7th ed.) Zitazioa
Park, R. E., Burgess, E. W., & McKenzie, R. D. The City: Suggestions for Investigation of Human Behavior in the Urban Environment.
Chicago Style (17th ed.) Zitazioa
Park, Robert Ezra, Ernest W. Burgess, eta Roderick D. McKenzie. The City: Suggestions for Investigation of Human Behavior in the Urban Environment.
MLA (9th ed.) Zitazioa
Park, Robert Ezra, et al. The City: Suggestions for Investigation of Human Behavior in the Urban Environment.
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