APA (7th ed.) Citation

Peters, E. (1977). Europe, the world of the Middle Ages. Prentice-Hall.

Chicago Style (17th ed.) Citation

Peters, Edward. Europe, the World of the Middle Ages. Englewood Cliffs, N.J.: Prentice-Hall, 1977.

MLA (9th ed.) Citation

Peters, Edward. Europe, the World of the Middle Ages. Prentice-Hall, 1977.