Cita APA (7a ed.)

Ridley, D. (2012). The literature review: A step-by-step guide for students (2nd ed.). SAGE.

Cita Chicago Style (17a ed.)

Ridley, Diana. The Literature Review: A Step-by-step Guide for Students. 2nd ed. Los Angeles [etc.]: SAGE, 2012.

Cita MLA (9a ed.)

Ridley, Diana. The Literature Review: A Step-by-step Guide for Students. 2nd ed. SAGE, 2012.