APA (7th ed.) Citation

Shulman, W. L., & Korczak, J. Janusz Korczakś Warsaw. Holocaust Resource Center and Archives.

Chicago Style (17th ed.) Citation

Shulman, William L., and Janusz Korczak. Janusz Korczakś Warsaw. New York: Holocaust Resource Center and Archives.

MLA (8th ed.) Citation

Shulman, William L., and Janusz Korczak. Janusz Korczakś Warsaw. Holocaust Resource Center and Archives.

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