APA (7th ed.) Citation

Bogacki, T. (2009). The champion of children: The story of Janusz Korczak. Farrar Straus Giroux.

Chicago Style (17th ed.) Citation

Bogacki, Tomasz. The Champion of Children: The Story of Janusz Korczak. New York: Farrar Straus Giroux, 2009.

MLA (9th ed.) Citation

Bogacki, Tomasz. The Champion of Children: The Story of Janusz Korczak. Farrar Straus Giroux, 2009.

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