APA (7th ed.) Citation

Callahan, D. (1971). Ethics and population limitation. Population Council; distributed by Key Book Service, Bridgeport, Conn.

Chicago Style (17th ed.) Citation

Callahan, Daniel. Ethics and Population Limitation. [New York: Population Council; distributed by Key Book Service, Bridgeport, Conn, 1971.

MLA (9th ed.) Citation

Callahan, Daniel. Ethics and Population Limitation. Population Council; distributed by Key Book Service, Bridgeport, Conn, 1971.