Cita APA (7a ed.)

Campbell Collaboration & Lipsey, M. W. (20). Campbell systematic reviews. Selbstverl.

Cita Chicago Style (17a ed.)

Campbell Collaboration y Mark W. Lipsey. Campbell Systematic Reviews. Oslo: Selbstverl, 20.

Cita MLA (9a ed.)

Campbell Collaboration y Mark W. Lipsey. Campbell Systematic Reviews. Selbstverl, 20.