Cita APA (7a ed.)

Bumpass, L. L., & Westoff, C. F. (1970). The Later Years of Childbearing. Princeton University Press.

Cita Chicago Style (17a ed.)

Bumpass, Larry L., y Charles F. Westoff. The Later Years of Childbearing. Princeton, New Jersey: Princeton University Press, 1970.

Cita MLA (8a ed.)

Bumpass, Larry L., y Charles F. Westoff. The Later Years of Childbearing. Princeton University Press, 1970.