APA (7th ed.) Citation

Fritz, A., & Ricken, G. (2008). Rechenschwäche. Reinhardt.

Chicago Style (17th ed.) Citation

Fritz, Annemarie, and Gabi Ricken. Rechenschwäche. München [u.a.]: Reinhardt, 2008.

MLA (9th ed.) Citation

Fritz, Annemarie, and Gabi Ricken. Rechenschwäche. Reinhardt, 2008.

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