Cita APA

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

Citación estilo Chicago

Newman, Barbara M., and Phillip R. Newman. Life-span Development: A Psychosocial Approach. Eleventh edition. Australia: Wadsworth Cengage Learning, 2012.

Cita MLA

Newman, Barbara M., and Phillip R. Newman. Life-span Development: A Psychosocial Approach. Eleventh edition. Wadsworth Cengage Learning, 2012.