Citazione Stile APA (7a Edizione)

Maier, H. W. (1966). Challenge to the cities: An approach to a theory of urban leadership. Random House.

Citazione stile Chigago Style (17a edizione)

Maier, Henry W. Challenge to the Cities: An Approach to a Theory of Urban Leadership. New York: Random House, 1966.

Citatione MLA (9a ed.)

Maier, Henry W. Challenge to the Cities: An Approach to a Theory of Urban Leadership. Random House, 1966.