Cita APA (7a ed.)

Bedford, H. F., & Blum, M. J. (1978). Trouble downtown: The local context of twentieth-century America. Harcourt Brace Jovanovich.

Cita Chicago Style (17a ed.)

Bedford, Henry F., y Morton John Blum. Trouble Downtown: The Local Context of Twentieth-century America. New York San Diego San Francisco Atlanta Chicago: Harcourt Brace Jovanovich, 1978.

Cita MLA (8a ed.)

Bedford, Henry F., y Morton John Blum. Trouble Downtown: The Local Context of Twentieth-century America. Harcourt Brace Jovanovich, 1978.