Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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