Cita APA (7th ed.)

Dobrzański, S. (2020). Tadeusz Zygfryd Kassern's American years. Polin.

Cita Chicago (17th ed.)

Dobrzański, Sławomir. "Tadeusz Zygfryd Kassern's American Years." Polin 2020.

Cita MLA (8th ed.)

Dobrzański, Sławomir. "Tadeusz Zygfryd Kassern's American Years." Polin, 2020.