Cita APA (7th ed.)

Penkalla, A. (1990). The "Przytk incidents" of 9 march 1936 from archival documents. Polin.

Cita Chicago (17th ed.)

Penkalla, Adam. "The "Przytk Incidents" of 9 March 1936 from Archival Documents." Polin 1990.

Cita MLA (8th ed.)

Penkalla, Adam. "The "Przytk Incidents" of 9 March 1936 from Archival Documents." Polin, 1990.