Cita APA (7th ed.)

Christian, C. M. (1982). Modern metropolitan systems: Ed. by. Charles E.Merrill.

Cita Chicago (17th ed.)

Christian, Charles M. Modern Metropolitan Systems: Ed. by. Columbus, Ohio: Charles E.Merrill, 1982.

Cita MLA (9th ed.)

Christian, Charles M. Modern Metropolitan Systems: Ed. by. Charles E.Merrill, 1982.