Cita APA (7th ed.)
Rishel, J. F. (1990). Founding families of Pittsburgh: The evolution of a regional elite, 1760-1910. University of Pittsburgh Press.
Cita Chicago (17th ed.)
Rishel, Joseph Francis. Founding Families of Pittsburgh: The Evolution of a Regional Elite, 1760-1910. Pittsburgh: University of Pittsburgh Press, 1990.
Cita MLA (9th ed.)
Rishel, Joseph Francis. Founding Families of Pittsburgh: The Evolution of a Regional Elite, 1760-1910. University of Pittsburgh Press, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.