APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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