Edwards, J. N. (1969). The family % change: Charles H. Page. Knopf.
Cita Chicago (17th ed.)Edwards, John N. The Family % Change: Charles H. Page. New York: Knopf, 1969.
Cita MLA (9th ed.)Edwards, John N. The Family % Change: Charles H. Page. Knopf, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.