Citazione Stile APA (7a Edizione)

Wagar, W. W. (1971). Building the city of man: Outlines of a world civilization. Freeman.

Citazione stile Chigago Style (17a edizione)

Wagar, W. Warren. Building the City of Man: Outlines of a World Civilization. San Francisco: Freeman, 1971.

Citatione MLA (9a ed.)

Wagar, W. Warren. Building the City of Man: Outlines of a World Civilization. Freeman, 1971.