APA (7th ed.) Zitazioa

Johnson, J. H. (1972). Urban geography: An introductory analysis. Pergamon.

Chicago Style (17th ed.) Zitazioa

Johnson, James H. Urban Geography: An Introductory Analysis. Oxford: Pergamon, 1972.

MLA (9th ed.) Zitazioa

Johnson, James H. Urban Geography: An Introductory Analysis. Pergamon, 1972.