APA (7th ed.) Citation

Rickli, H., & Dubach, S. (2011). English-language text supplement. Scheidegger & Spiess.

Chicago Style (17th ed.) Citation

Rickli, Hannes, and Selma Dubach. English-language Text Supplement. Zürich: Scheidegger & Spiess, 2011.

MLA (8th ed.) Citation

Rickli, Hannes, and Selma Dubach. English-language Text Supplement. Scheidegger & Spiess, 2011.

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