Citazione Stile APA (7a Edizione)

Robson, W. A. 1., & Regan, D. E. (1972). Great cities of the world: Their government, politics and planning. Sage.

Citazione stile Chigago Style (17a edizione)

Robson, William Alexander 1895, e David E. Regan. Great Cities of the World: Their Government, Politics and Planning. Beverly Hills, Calif: Sage, 1972.

Citatione MLA (9a ed.)

Robson, William Alexander 1895, e David E. Regan. Great Cities of the World: Their Government, Politics and Planning. Sage, 1972.