APA (7th ed.) Citation

Grimm, G. E., & Max, F. R. (1989). Mittelalter. Philipp Reclam.

Chicago Style (17th ed.) Citation

Grimm, Gunter E., and Frank Rainer Max. Mittelalter. Stuttgart: Philipp Reclam, 1989.

MLA (8th ed.) Citation

Grimm, Gunter E., and Frank Rainer Max. Mittelalter. Philipp Reclam, 1989.