Cita APA (7th ed.)
Chapman, B. (1980). CENSUS OF POPULATION 1980.
Cita Chicago (17th ed.)
Chapman, Bruce. CENSUS OF POPULATION 1980. 1980.
Cita MLA (9th ed.)
Chapman, Bruce. CENSUS OF POPULATION 1980. 1980.
Atenció: Aquestes cites poden no estar 100% correctes.