APA (7th ed.) Citation

Polonia. (1959). Fifteen years of peoples Poland. Polania publishing house.

Chicago Style (17th ed.) Citation

Polonia. Fifteen Years of Peoples Poland. Polania publishing house, 1959.

MLA (8th ed.) Citation

Polonia. Fifteen Years of Peoples Poland. Polania publishing house, 1959.

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