Boyd, D. R., & Bee, H. L. (2019). Lifespan development (Eighth, global edition.). Pearson.
Chicago Style (17th ed.) CitationBoyd, Denise Roberts, and Helen L. Bee. Lifespan Development. Eighth, global edition. Harlow, England: Pearson, 2019.
MLA (8th ed.) CitationBoyd, Denise Roberts, and Helen L. Bee. Lifespan Development. Eighth, global edition. Pearson, 2019.
Warning: These citations may not always be 100% accurate.