Cita APA (7th ed.)

SPIEGELMAN, M. (1968). Introduction to demography, Rev. ed . Harvard U.P.

Cita Chicago (17th ed.)

SPIEGELMAN, Mortimer. Introduction to Demography, Rev. Ed . Cambridge, Mass: Harvard U.P, 1968.

Cita MLA (9th ed.)

SPIEGELMAN, Mortimer. Introduction to Demography, Rev. Ed . Harvard U.P, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.