APA (7th ed.) Citation

Lopez, R. S. (1976). The commercial revolution of the Middle Ages 950-1350. Cambridge Univ. Pr.

Chicago Style (17th ed.) Citation

Lopez, Robert S. The Commercial Revolution of the Middle Ages 950-1350. Cambridge: Cambridge Univ. Pr, 1976.

MLA (9th ed.) Citation

Lopez, Robert S. The Commercial Revolution of the Middle Ages 950-1350. Cambridge Univ. Pr, 1976.

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