Cita APA

Research Publications, inc, & Primary Source Microfilm (Firm). (1970). International population census publications. Research Publications.

Citación estilo Chicago

Research Publications, inc, and Primary Source Microfilm (Firm). International Population Census Publications. New Haven, Conn.: Research Publications, 1970.

Cita MLA

Research Publications, inc, and Primary Source Microfilm (Firm). International Population Census Publications. Research Publications, 1970.