Cita APA (7th ed.)

Weeks, J. R. (2009). Population: An introduction to concepts and issues ([10th ed.].). Cengage Learning.

Cita Chicago (17th ed.)

Weeks, John Robert. Population: An Introduction to Concepts and Issues. [10th ed.]. Australia: Cengage Learning, 2009.

Cita MLA (9th ed.)

Weeks, John Robert. Population: An Introduction to Concepts and Issues. [10th ed.]. Cengage Learning, 2009.