Cita APA (7th ed.)
Williams, M., & May, T. (1996). Introduction to the philosophy of social research. UCL Press.
Cita Chicago (17th ed.)
Williams, Malcolm, i Tim May. Introduction to the Philosophy of Social Research. London: UCL Press, 1996.
Cita MLA (9th ed.)
Williams, Malcolm, i Tim May. Introduction to the Philosophy of Social Research. UCL Press, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.