Cita APA (7a ed.)

Olkowski, R. (2021). A FORGOTTEN HERO: JAN MORAWIŃSKI (1907–1949). Index Copernicus International S.A.

Cita Chicago Style (17a ed.)

Olkowski, Roman. A FORGOTTEN HERO: JAN MORAWIŃSKI (1907–1949). Index Copernicus International S.A, 2021.

Cita MLA (8a ed.)

Olkowski, Roman. A FORGOTTEN HERO: JAN MORAWIŃSKI (1907–1949). Index Copernicus International S.A, 2021.