APA (7th ed.) Citation

Heinrich, G., & Severin, T. Training Mathematik. Oldenbourg.

Chicago Style (17th ed.) Citation

Heinrich, Gert, and Thomas Severin. Training Mathematik. München u.a: Oldenbourg.

MLA (9th ed.) Citation

Heinrich, Gert, and Thomas Severin. Training Mathematik. Oldenbourg.

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