Citazione Stile APA (7a Edizione)

Boyd, D. R., & Bee, H. L. (2006). Lifespan development (Fourth edition.). Pearson.

Citazione stile Chigago Style (17a edizione)

Boyd, Denise Roberts, e Helen L. Bee. Lifespan Development. Fourth edition. Boston, Mass: Pearson, 2006.

Citatione MLA (9a ed.)

Boyd, Denise Roberts, e Helen L. Bee. Lifespan Development. Fourth edition. Pearson, 2006.