APA (7th ed.) Citation

Mortkowicz-Olczakowa, H. (1961). Janusz Korczak: Biographie.

Chicago Style (17th ed.) Citation

Mortkowicz-Olczakowa, Hanna. Janusz Korczak: Biographie. Weimar, 1961.

MLA (8th ed.) Citation

Mortkowicz-Olczakowa, Hanna. Janusz Korczak: Biographie. 1961.

Warning: These citations may not always be 100% accurate.