APA (7th ed.) Citation

Erikson, E. H. (1968). Identity: Youth and crisis. W.W. Norton.

Chicago Style (17th ed.) Citation

Erikson, Erik H. Identity: Youth and Crisis. New York London: W.W. Norton, 1968.

MLA (8th ed.) Citation

Erikson, Erik H. Identity: Youth and Crisis. W.W. Norton, 1968.