Clagett, M., & Clagett, M. a. (1966). Twelfth-century Europe and the foundations of modern society. University of Wisconsin Press.
Цитирование в стиле Чикаго (17-е изд.)Clagett, Marshall, и Marshall;et al Clagett. Twelfth-century Europe and the Foundations of Modern Society. University of Wisconsin Press, 1966.
Цитирование MLA (9-е изд.)Clagett, Marshall, и Marshall;et al Clagett. Twelfth-century Europe and the Foundations of Modern Society. University of Wisconsin Press, 1966.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.