Cita APA

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

Citación estilo Chicago

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

Cita MLA

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