Erikson, E. H., & Erikson, J. M. (1998). The life cycle completed (Extended version / with new chapters on the ninth stage of development by Joan M. Erikson.). W.W. Norton & Company.
Chicago-referens (17:e uppl.)Erikson, Erik H., och Joan M. Erikson. The Life Cycle Completed. Extended version / with new chapters on the ninth stage of development by Joan M. Erikson. New York, NY: W.W. Norton & Company, 1998.
MLA-referens (9:e uppl.)Erikson, Erik H., och Joan M. Erikson. The Life Cycle Completed. Extended version / with new chapters on the ninth stage of development by Joan M. Erikson. W.W. Norton & Company, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.