Cita APA (7th ed.)

(1961). Population by age and sex: By municipality as of 1960. s.n.

Cita Chicago (17th ed.)

Population by Age and Sex: By Municipality as of 1960. [S.l: s.n, 1961.

Cita MLA (9th ed.)

Population by Age and Sex: By Municipality as of 1960. s.n, 1961.