APA Citation

Spengler, J. J. (., & Duncan, O. D. (. (1956). Population theory and policy: Selected readings. Glencoe, Ill.: Free Press.

Chicago Style Citation

Spengler, Joseph John( (1902-1991).), and Otis Dudley( (1921-....).) Duncan. Population Theory and Policy: Selected Readings. Glencoe, Ill.: Free Press, 1956.

MLA Citation

Spengler, Joseph John( (1902-1991).), and Otis Dudley( (1921-....).) Duncan. Population Theory and Policy: Selected Readings. Glencoe, Ill.: Free Press, 1956.

Warning: These citations may not always be 100% accurate.