APA (7th ed.) Citation

Weeks, J. R. (1989). Population: An introduction to concepts and issues (4th ed.). Wadsworth Publishing Company.

Chicago Style (17th ed.) Citation

Weeks, John R. Population: An Introduction to Concepts and Issues. 4th ed. Belmont, California: Wadsworth Publishing Company, 1989.

MLA (9th ed.) Citation

Weeks, John R. Population: An Introduction to Concepts and Issues. 4th ed. Wadsworth Publishing Company, 1989.