Cita APA (7a ed.)

Erikson, E. H. (1998). The life cycle completed (Extended version.). W.W. Norton & Company.

Cita Chicago Style (17a ed.)

Erikson, Erik H. The Life Cycle Completed. Extended version. New York [etc.]: W.W. Norton & Company, 1998.

Cita MLA (9a ed.)

Erikson, Erik H. The Life Cycle Completed. Extended version. W.W. Norton & Company, 1998.