Cita APA (7a ed.)

Williams, M. (2016). Key concepts in the philosophy of social research. SAGE.

Cita Chicago Style (17a ed.)

Williams, Malcolm. Key Concepts in the Philosophy of Social Research. Los Angeles: SAGE, 2016.

Cita MLA (8a ed.)

Williams, Malcolm. Key Concepts in the Philosophy of Social Research. SAGE, 2016.