APA (7th ed.) Citation

Weeks, J. R. (2021). Population: An introduction to concepts and issues (Thirteenth edition.). Cengage Learning, Inc.

Chicago Style (17th ed.) Citation

Weeks, John Robert. Population: An Introduction to Concepts and Issues. Thirteenth edition. Boston, MA, USA: Cengage Learning, Inc, 2021.

MLA (9th ed.) Citation

Weeks, John Robert. Population: An Introduction to Concepts and Issues. Thirteenth edition. Cengage Learning, Inc, 2021.