APA (7th ed.) Citation

Ośrodek "Karta" (Warszawa), Knyt, A., & Herchenreder, B. (2020). The Battle for Warsaw 1920: Independence regained - freedom endangered (Issue I.). Ośrodek Karta.

Chicago Style (17th ed.) Citation

Ośrodek "Karta" (Warszawa), Agnieszka Knyt, and Barbara Herchenreder. The Battle for Warsaw 1920: Independence Regained - Freedom Endangered. Issue I. Warsaw: Ośrodek Karta, 2020.

MLA (9th ed.) Citation

Ośrodek "Karta" (Warszawa), et al. The Battle for Warsaw 1920: Independence Regained - Freedom Endangered. Issue I. Ośrodek Karta, 2020.