Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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