APA (7th ed.) Citation

Packard, S. R. (1973). 12th century Europe: An interpretive essay. University of Massachusetts Press.

Chicago Style (17th ed.) Citation

Packard, Sidney R. 12th Century Europe: An Interpretive Essay. Amherst: University of Massachusetts Press, 1973.

MLA (8th ed.) Citation

Packard, Sidney R. 12th Century Europe: An Interpretive Essay. University of Massachusetts Press, 1973.

Warning: These citations may not always be 100% accurate.