APA Citation

Pietrucha, J. (1972). The population of Western and Nothern Poland. Warsaw: Interpress.

Chicago Style Citation

Pietrucha, Jerzy. The Population of Western and Nothern Poland. Warsaw: Interpress, 1972.

MLA Citation

Pietrucha, Jerzy. The Population of Western and Nothern Poland. Warsaw: Interpress, 1972.

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