Cita APA (7th ed.)

Weeks, J. R. (2002). Population: An introduction to concepts and issues (Eight edition.). Wadsworth/Thomson Learning.

Cita Chicago (17th ed.)

Weeks, John Robert. Population: An Introduction to Concepts and Issues. Eight edition. Belmont, California: Wadsworth/Thomson Learning, 2002.

Cita MLA (9th ed.)

Weeks, John Robert. Population: An Introduction to Concepts and Issues. Eight edition. Wadsworth/Thomson Learning, 2002.