APA (7th ed.) Citation

Zacour, N. P. (1977). An introduction to medieval institutions / (by) Norman Zacour. St James Press.

Chicago Style (17th ed.) Citation

Zacour, Norman P. An Introduction to Medieval Institutions / (by) Norman Zacour. London: St James Press, 1977.

MLA (9th ed.) Citation

Zacour, Norman P. An Introduction to Medieval Institutions / (by) Norman Zacour. St James Press, 1977.

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