APA (7th ed.) Citation

Fratczak, E. (1993). Population aging in Poland: Selected aspects. Institute of Statistics and Demography, Warsaw School of Economics.

Chicago Style (17th ed.) Citation

Fratczak, Ewa. Population Aging in Poland: Selected Aspects. Warsaw: Institute of Statistics and Demography, Warsaw School of Economics, 1993.

MLA (9th ed.) Citation

Fratczak, Ewa. Population Aging in Poland: Selected Aspects. Institute of Statistics and Demography, Warsaw School of Economics, 1993.

Warning: These citations may not always be 100% accurate.