Cita APA (7a ed.)

Pittsburgh regional planning association. (1963). Economic study of the Pittsburgh region. University of Pittsburgh press.

Cita Chicago Style (17a ed.)

Pittsburgh regional planning association. Economic Study of the Pittsburgh Region. Pittsburgh: University of Pittsburgh press, 1963.

Cita MLA (9a ed.)

Pittsburgh regional planning association. Economic Study of the Pittsburgh Region. University of Pittsburgh press, 1963.