APA цитиране

Haverkamp, A., & Vollrath, H. (1996). England and Germany in the High Middle Ages. New York: Oxford University Press.

Чикагска система за цитиране

Haverkamp, Alfred, и Hanna Vollrath. England and Germany in the High Middle Ages. New York: Oxford University Press, 1996.

MLA формат за цитиране

Haverkamp, Alfred, и Hanna Vollrath. England and Germany in the High Middle Ages. New York: Oxford University Press, 1996.