Style de citation APA (7e éd.)

Weeks, J. R. (2005). Population: An introduction to concepts and issues (9th ed.). Wadsworth/Thomson Learning.

Style de citation Chicago (17e éd.)

Weeks, John Robert. Population: An Introduction to Concepts and Issues. 9th ed. Belmont, Calif: Wadsworth/Thomson Learning, 2005.

Style de citation MLA (9e éd.)

Weeks, John Robert. Population: An Introduction to Concepts and Issues. 9th ed. Wadsworth/Thomson Learning, 2005.