Cita APA (7a ed.)
Weeks, J. R. (2012). An introduction to population (11th ed.). Cengage Learning.
Cita Chicago Style (17a ed.)
Weeks, John R. An Introduction to Population. 11th ed. Belmont: Cengage Learning, 2012.
Cita MLA (9a ed.)
Weeks, John R. An Introduction to Population. 11th ed. Cengage Learning, 2012.
Precaución: Estas citas no son 100% exactas.