APA引文

Weeks, J. R. (1978). Population: An introduction to concepts and issues. Wadsworth Pub. Co..

Chicago Style (17th ed.) Citation

Weeks, John R. Population: An Introduction to Concepts and Issues. Belmont, Calif.: Wadsworth Pub. Co., 1978.

MLA引文

Weeks, John R. Population: An Introduction to Concepts and Issues. Wadsworth Pub. Co., 1978.