Cita APA (7a ed.)

Willigan, J. D., & Lynch, K. A. (1982). Sources and methods of historical demography. Academic Press.

Cita Chicago Style (17a ed.)

Willigan, J. Dennis, y Katherine A. Lynch. Sources and Methods of Historical Demography. New York [etc.]: Academic Press, 1982.

Cita MLA (9a ed.)

Willigan, J. Dennis, y Katherine A. Lynch. Sources and Methods of Historical Demography. Academic Press, 1982.