APA (7th ed.) Citation

Zock, H. (1990). A psychology of ultimate concern: Erik H. Erikson's contribution to the psychology of religion. International series in the psychology of religion.

Chicago Style (17th ed.) Citation

Zock, Hetty. "A Psychology of Ultimate Concern: Erik H. Erikson's Contribution to the Psychology of Religion." International Series in the Psychology of Religion 1990.

MLA (8th ed.) Citation

Zock, Hetty. "A Psychology of Ultimate Concern: Erik H. Erikson's Contribution to the Psychology of Religion." International Series in the Psychology of Religion, 1990.