Cita APA (7a ed.)

Gough, D., Oliver, S., & Thomas, J. (2017). An introduction to systematic reviews (2nd edition.). SAGE.

Cita Chicago Style (17a ed.)

Gough, David, Sandy Oliver, y James Thomas. An Introduction to Systematic Reviews. 2nd edition. Los Angeles London New Delhi Singapore Washington, DC Melbourne: SAGE, 2017.

Cita MLA (8a ed.)

Gough, David, et al. An Introduction to Systematic Reviews. 2nd edition. SAGE, 2017.