APA (7th ed.) Citation

Komaniecka, M., Zechenter, A., Szpytma, M., & Samsonowska, K. (2013). Katyn massacre: Basic facts. The person and the challenges. doi:10.15633/pch.495

Chicago Style (17th ed.) Citation

Komaniecka, Monika, Anna Zechenter, Mateusz Szpytma, and Krystyna Samsonowska. "Katyn Massacre: Basic Facts." The Person and the Challenges 2013. https://doi.org/10.15633/pch.495.

MLA (9th ed.) Citation

Komaniecka, Monika, et al. "Katyn Massacre: Basic Facts." The Person and the Challenges, 2013, https://doi.org/10.15633/pch.495.