APA (7th ed.) Citation

Lange, I., Lehmann, G., Bührig, K., & Lengyel, D. Sprachbildender Unterricht in actu. BiSEd.

Chicago Style (17th ed.) Citation

Lange, Imke, Gesa Lehmann, Kristin Bührig, and Drorit Lengyel. Sprachbildender Unterricht in Actu. BiSEd.

MLA (9th ed.) Citation

Lange, Imke, et al. Sprachbildender Unterricht in Actu. BiSEd.

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