West Virginia University Conference on Life-Span Developmental Psychology < 1974>. (1975). Life-span developmental psychology, normative life crises: [papers]. Academic Press.
Chicago-Zitierstil (17. Ausg.)West Virginia University Conference on Life-Span Developmental Psychology < 1974>. Life-span Developmental Psychology, Normative Life Crises: [papers]. New York: Academic Press, 1975.
MLA-Zitierstil (9. Ausg.)West Virginia University Conference on Life-Span Developmental Psychology < 1974>. Life-span Developmental Psychology, Normative Life Crises: [papers]. Academic Press, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.