Cita APA

Erikson, E. H., & Erikson, J. M. (1997). The life cycle completed (Extended version.). New York, London: W.W. Norton & Company.

Citación estilo Chicago

Erikson, Erik H., and Joan M. Erikson. The Life Cycle Completed. Extended version. New York, London: W.W. Norton & Company, 1997.

Cita MLA

Erikson, Erik H., and Joan M. Erikson. The Life Cycle Completed. Extended version. New York, London: W.W. Norton & Company, 1997.