Cita APA (7a ed.)

Gray, D. E. (2009). Doing research in the real world (2nd ed.). Sage.

Cita Chicago Style (17a ed.)

Gray, David Edward. Doing Research in the Real World. 2nd ed. Los Angeles, Calif: Sage, 2009.

Cita MLA (9a ed.)

Gray, David Edward. Doing Research in the Real World. 2nd ed. Sage, 2009.