Citazione Stile APA (7a Edizione)

Goldsmith, W. W., & Derian, M. J. (1979). Is there an urban policy? PURS.

Citazione stile Chigago Style (17a edizione)

Goldsmith, William W., e Michael J. Derian. Is There an Urban Policy? Ithaca, N.Y.: PURS, 1979.

Citatione MLA (8a ed.)

Goldsmith, William W., e Michael J. Derian. Is There an Urban Policy? PURS, 1979.