Cita APA (7a ed.)

Hubbard, T. K., & Hubbard, H. V. (1929). Our cities, to-day and to-morrow: A survey of planning and zoning progress in the United States. Harvard University Press.

Cita Chicago Style (17a ed.)

Hubbard, Theodora Kimball, y Henry Vincent Hubbard. Our Cities, To-day and To-morrow: A Survey of Planning and Zoning Progress in the United States. Cambridge: Harvard University Press, 1929.

Cita MLA (9a ed.)

Hubbard, Theodora Kimball, y Henry Vincent Hubbard. Our Cities, To-day and To-morrow: A Survey of Planning and Zoning Progress in the United States. Harvard University Press, 1929.