APA (7th ed.) Citation

Jaworski, M. (1979). Janusz Korczak. S. Hirzel.

Chicago Style (17th ed.) Citation

Jaworski, Marek. Janusz Korczak. Leipzig: S. Hirzel, 1979.

MLA (8th ed.) Citation

Jaworski, Marek. Janusz Korczak. S. Hirzel, 1979.

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