Cita APA (7a ed.)

Boyd, D., & Bee, H. L. (2015). Lifespan development (Seventh edition, Global edition.). Pearson.

Cita Chicago Style (17a ed.)

Boyd, Denise, y Helen L. Bee. Lifespan Development. Seventh edition, Global edition. Boston, [Massachusetts]: Pearson, 2015.

Cita MLA (8a ed.)

Boyd, Denise, y Helen L. Bee. Lifespan Development. Seventh edition, Global edition. Pearson, 2015.