Cita APA (7a ed.)

Reed, C. R. (2014). Knock at the Door of Opportunity: Black Migration to Chicago, 1900-1919. Southern Illinois University Press.

Cita Chicago Style (17a ed.)

Reed, Christopher Robert. Knock at the Door of Opportunity: Black Migration to Chicago, 1900-1919. Carbondale: Southern Illinois University Press, 2014.

Cita MLA (8a ed.)

Reed, Christopher Robert. Knock at the Door of Opportunity: Black Migration to Chicago, 1900-1919. Southern Illinois University Press, 2014.