A critical introduction to social research

MLA

Henn, Matt, Mark Weinstein, and Nick Foard. A Critical Introduction to Social Research. 2nd ed. London: SAGE, 2009.

APA

Henn, M., Weinstein, M., & Foard, N. (2009). A critical introduction to social research. 2nd ed. London: SAGE.

Chicago

Henn, Matt., Mark Weinstein, Nick Foard, and Matt Henn. A Critical Introduction to Social Research. 2nd ed. London: SAGE, 2009.