APA (7th ed.) Citation

Erikson, E. H. (1980). Identity and the life cycle. W.W. Norton & Company.

Chicago Style (17th ed.) Citation

Erikson, Erik H. Identity and the Life Cycle. New York ; London: W.W. Norton & Company, 1980.

MLA (9th ed.) Citation

Erikson, Erik H. Identity and the Life Cycle. W.W. Norton & Company, 1980.