Cita APA

Powell, N. P. (1975). The conventional vital registration system. Chapel Hill, N.C.: International Program of Laboratories for Population Statistics.

Citación estilo Chicago

Powell, Nora P. The Conventional Vital Registration System. Chapel Hill, N.C.: International Program of Laboratories for Population Statistics, 1975.

Cita MLA

Powell, Nora P. The Conventional Vital Registration System. Chapel Hill, N.C.: International Program of Laboratories for Population Statistics, 1975.

Precaución: Estas citas no son 100% exactas.