Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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