Wikipedia,”Erikson’s Stages of Psychosocial Development

• Erikson, Erik H. (1959) Identity and the Life Cycle. New York: International Universities Press.
• Erikson, Erik H. (1968) Identity, Youth and Crisis. New York: Norton.
• Sheehy, Gail (1976) Passages: Predictable Crises of Adult Life. New York: E. P. Dutton.
• Stevens, Richard (1983) Erik Erikson: An Introduction. New York: St. Martin’s.

SimplyPsychology,S.Mcleod, 2007updated 2013

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