APA (7th ed.) Citation

Johannsen, L. P., & Hentrich & Hentrich. (2015). Janusz Korczak: Kinderarzt. Hentrich & Hentrich.

Chicago Style (17th ed.) Citation

Johannsen, Lorenz Peter, and Hentrich & Hentrich. Janusz Korczak: Kinderarzt. Berlin: Hentrich & Hentrich, 2015.

MLA (8th ed.) Citation

Johannsen, Lorenz Peter, and Hentrich & Hentrich. Janusz Korczak: Kinderarzt. Hentrich & Hentrich, 2015.

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