Cita APA (7a ed.)

Lavalette, M., & Pratt, A. (1997). Social policy: A conceptual and theoretical introduction. Sage.

Cita Chicago Style (17a ed.)

Lavalette, Michael, y Alan Pratt. Social Policy: A Conceptual and Theoretical Introduction. London [etc.]: Sage, 1997.

Cita MLA (9a ed.)

Lavalette, Michael, y Alan Pratt. Social Policy: A Conceptual and Theoretical Introduction. Sage, 1997.