Citazione Stile APA (7a Edizione)

Gieysztor, A., & Cękalska, K. (1979). History of Poland (2nd ed.). PWN - Polish Scientific Publishers.

Citazione stile Chigago Style (17a edizione)

Gieysztor, Aleksander, e Krystyna Cękalska. History of Poland. 2nd ed. Warszawa: PWN - Polish Scientific Publishers, 1979.

Citatione MLA (9a ed.)

Gieysztor, Aleksander, e Krystyna Cękalska. History of Poland. 2nd ed. PWN - Polish Scientific Publishers, 1979.