APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Willigan, Dennis J., and Katherine A. Lynch. Sources and Methods of Historical Demography. New York: Academic, 1982.

MLA (9th ed.) Citation

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