Cita APA

Spengler, J. J. 1., & Duncan, O. D. (1956). Demographic analysis; selected readings. Free Press.

Citación estilo Chicago

Spengler, Joseph J. 1902-1991,, and Otis Dudley Duncan. Demographic Analysis; Selected Readings. Glencoe, Ill.: Free Press, 1956.

Cita MLA

Spengler, Joseph J. 1902-1991,, and Otis Dudley Duncan. Demographic Analysis; Selected Readings. Glencoe, Ill.: Free Press, 1956.