APA (7th ed.) Citation

Boyd, D. R. (2012). Lifespan development (6th ed.). Pearson.

Chicago Style (17th ed.) Citation

Boyd, Denise Roberts. Lifespan Development. 6th ed. Upper Saddle River, NJ: Pearson, 2012.

MLA (9th ed.) Citation

Boyd, Denise Roberts. Lifespan Development. 6th ed. Pearson, 2012.