Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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