Cita APA (7a ed.)
Weeks, J. R. (1994). Population: An introduction to concepts and issues (5th ed.). Wadsworth Pub. Co..
Cita Chicago Style (17a ed.)
Weeks, John Robert. Population: An Introduction to Concepts and Issues. 5th ed. Belmont, Calif.: Wadsworth Pub. Co., 1994.
Cita MLA (9a ed.)
Weeks, John Robert. Population: An Introduction to Concepts and Issues. 5th ed. Wadsworth Pub. Co., 1994.
Precaución: Estas citas no son 100% exactas.