Wade, R. C. (1959). The urban frontier: Pioneer life in early Pittsburgh, Cincinnati, Lexington, Louisville, and St. Louis. University of Chicago Press.
Čikaški stil citiranja (17. izdanje)Wade, Richard C. The Urban Frontier: Pioneer Life in Early Pittsburgh, Cincinnati, Lexington, Louisville, and St. Louis. Chicago: University of Chicago Press, 1959.
MLA način citiranja (8. izdanje)Wade, Richard C. The Urban Frontier: Pioneer Life in Early Pittsburgh, Cincinnati, Lexington, Louisville, and St. Louis. University of Chicago Press, 1959.
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