Cita APA (7a ed.)

Black, R. V. N., & Black Hedges, M. (1948). Planning for the small american city: An outline of principles and procedure esspacially appliccable to the city of fifty thousand or less. Public Administration Service.

Cita Chicago Style (17a ed.)

Black, Russell Van Nest, y Mary Black Hedges. Planning for the Small American City: An Outline of Principles and Procedure Esspacially Appliccable to the City of Fifty Thousand or Less. Chicago: Public Administration Service, 1948.

Cita MLA (9a ed.)

Black, Russell Van Nest, y Mary Black Hedges. Planning for the Small American City: An Outline of Principles and Procedure Esspacially Appliccable to the City of Fifty Thousand or Less. Public Administration Service, 1948.