Citação norma APA

(1971). International population conference: Congress international de la population. International union for the scientific study of the population.

Citação norma Chicago

International Population Conference: Congress International De La Population. Liege: International union for the scientific study of the population, 1971.

Citação norma MLA

International Population Conference: Congress International De La Population. International union for the scientific study of the population, 1971.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.