APA (7th ed.) Citation

Keyfitz, N. (1982). Population change and social policy. Abt Books.

Chicago Style (17th ed.) Citation

Keyfitz, Nathan. Population Change and Social Policy. Cambridge, Mass: Abt Books, 1982.

MLA (9th ed.) Citation

Keyfitz, Nathan. Population Change and Social Policy. Abt Books, 1982.