APA (7th ed.) Citation

Berwick, G., & Thorne, S. (1998). Mach's gut! (Schülerbuch, 1. publ.). MGP.

Chicago Style (17th ed.) Citation

Berwick, Gwen, and Sydney Thorne. Mach's Gut! Schülerbuch, 1. publ. Cheltenham: MGP, 1998.

MLA (9th ed.) Citation

Berwick, Gwen, and Sydney Thorne. Mach's Gut! Schülerbuch, 1. publ. MGP, 1998.