APA (7th ed.) Citation

(1969). Principles and recommendations for the 1970 population censuses. [s.n.].

Chicago Style (17th ed.) Citation

Principles and Recommendations for the 1970 Population Censuses. New York: [s.n.], 1969.

MLA (9th ed.) Citation

Principles and Recommendations for the 1970 Population Censuses. [s.n.], 1969.