Cita APA (7th ed.)

Polish Academy of Sciences. Committee for Demographic Studies. (1975). The population of Poland. Polish Academy of Sciences, Committee for Demographic Studies.

Cita Chicago (17th ed.)

Polish Academy of Sciences. Committee for Demographic Studies. The Population of Poland. Warszawa: Polish Academy of Sciences, Committee for Demographic Studies, 1975.

Cita MLA (9th ed.)

Polish Academy of Sciences. Committee for Demographic Studies. The Population of Poland. Polish Academy of Sciences, Committee for Demographic Studies, 1975.