Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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