APA (7th ed.) Citation

Wolfson, M. (1978). Changing approaches to population problems. OECD.

Chicago Style (17th ed.) Citation

Wolfson, Margaret. Changing Approaches to Population Problems. Paris: OECD, 1978.

MLA (8th ed.) Citation

Wolfson, Margaret. Changing Approaches to Population Problems. OECD, 1978.