APA

University of California Berkeley, . (1968). Working paper / Institute of Urban and Regional Development, University of California, Berkeley. Berkeley, Calif: .

Chicago

University of California Berkeley, . 1968. Working paper / Institute of Urban and Regional Development, University of California, Berkeley. Berkeley, Calif: .

Harvard

University of California Berkeley, . (1968). Working paper / Institute of Urban and Regional Development, University of California, Berkeley. Berkeley, Calif: .

MLA

University of California Berkeley, . Working paper / Institute of Urban and Regional Development, University of California, Berkeley. Berkeley, Calif: . 1968.