Cita APA (7th ed.)

Henry, L. (1980). Fertility of marriage: A new method of measurement. United Nations.

Cita Chicago (17th ed.)

Henry, Louis. Fertility of Marriage: A New Method of Measurement. New York: United Nations, 1980.

Cita MLA (8th ed.)

Henry, Louis. Fertility of Marriage: A New Method of Measurement. United Nations, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.