Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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