APA (7th ed.) Citation

(1991). Janusz Korczak. Agentur Dieck.

Chicago Style (17th ed.) Citation

Janusz Korczak. Heinsberg: Agentur Dieck, 1991.

MLA (8th ed.) Citation

Janusz Korczak. Agentur Dieck, 1991.

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