APA (7th ed.) Citation

Rüttgerodt-Riechmann, I., & Schmal, H. (1997). Carl Hagenbecks Tierpark.

Chicago Style (17th ed.) Citation

Rüttgerodt-Riechmann, Ilse, and Helga Schmal. Carl Hagenbecks Tierpark. Hamburg, 1997.

MLA (9th ed.) Citation

Rüttgerodt-Riechmann, Ilse, and Helga Schmal. Carl Hagenbecks Tierpark. 1997.

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