Citazione APA

Primary Source Microfilm (Firm) & Thomson Gale (Firm). (1970). International population census publication. Primary Source Microfilm, an Imprint of Thomson Gale.

Stile di citazione Chicago

Primary Source Microfilm (Firm) e Thomson Gale (Firm). International Population Census Publication. [Woodbridge, Conn.]: Primary Source Microfilm, an Imprint of Thomson Gale, 1970.

Citazione MLA

Primary Source Microfilm (Firm) e Thomson Gale (Firm). International Population Census Publication. Primary Source Microfilm, an Imprint of Thomson Gale, 1970.