Cita APA (7a ed.)

Gray, D. E. (2013). Doing research in the real world (3rd edition.). Sage Publications.

Cita Chicago Style (17a ed.)

Gray, David E. Doing Research in the Real World. 3rd edition. Thousand Oaks, CA: Sage Publications, 2013.

Cita MLA (8a ed.)

Gray, David E. Doing Research in the Real World. 3rd edition. Sage Publications, 2013.