APA (7th ed.) Citation

Bernecker, W. L., & Herbers, K. (2013). Geschichte Portugals. Kohlhammer.

Chicago Style (17th ed.) Citation

Bernecker, Walther L., and Klaus Herbers. Geschichte Portugals. Stuttgart: Kohlhammer, 2013.

MLA (8th ed.) Citation

Bernecker, Walther L., and Klaus Herbers. Geschichte Portugals. Kohlhammer, 2013.