Citazione Stile APA (7a Edizione)

Newman, B. M., & Newman, P. R. (2012). Life-span development: A psychosocial approach (11th ed.). Wadsworth Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Newman, Barbara M., e Philip R. Newman. Life-span Development: A Psychosocial Approach. 11th ed. Singapore: Wadsworth Cengage Learning, 2012.

Citatione MLA (9a ed.)

Newman, Barbara M., e Philip R. Newman. Life-span Development: A Psychosocial Approach. 11th ed. Wadsworth Cengage Learning, 2012.