Citazione Stile APA (7a Edizione)

Boyd, D. R., & Bee, H. L. (2009). Lifespan development (Fifth edition.). Pearson/A and B.

Citazione stile Chigago Style (17a edizione)

Boyd, Denise Roberts, e Helen L. Bee. Lifespan Development. Fifth edition. Boston, [Massachusetts]: Pearson/A and B, 2009.

Citatione MLA (9a ed.)

Boyd, Denise Roberts, e Helen L. Bee. Lifespan Development. Fifth edition. Pearson/A and B, 2009.