APA (7th ed.) Citation

Sage, A., Pfleiderer, R., & Zug, M. (2015). Septimus Heap Fyre. dtv.

Chicago Style (17th ed.) Citation

Sage, Angie, Reiner Pfleiderer, and Mark Zug. Septimus Heap Fyre. München: dtv, 2015.

MLA (9th ed.) Citation

Sage, Angie, et al. Septimus Heap Fyre. dtv, 2015.