Cita APA (7th ed.)
Jessup, P. F., & Upson, R. B. (1973). Returns in over-the-counter stock markets. University of Minnesota Press.
Cita Chicago (17th ed.)
Jessup, Paul F., i Roger B. Upson. Returns in Over-the-counter Stock Markets. Minneapolis: University of Minnesota Press, 1973.
Cita MLA (9th ed.)
Jessup, Paul F., i Roger B. Upson. Returns in Over-the-counter Stock Markets. University of Minnesota Press, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.