APA (7th ed.) Citation

Weeks, J. R. (2012). An introduction to population (Eleventh edition.). Wadsworth, Cengage Learning.

Chicago Style (17th ed.) Citation

Weeks, John R. An Introduction to Population. Eleventh edition. Australia: Wadsworth, Cengage Learning, 2012.

MLA (9th ed.) Citation

Weeks, John R. An Introduction to Population. Eleventh edition. Wadsworth, Cengage Learning, 2012.