Cita APA (7a ed.)

von Falkenhausen, V., Jamil, N., & Johns, J. (2017). The Twelfth-century documents of St. George’s of Tròccoli (Sicily). University of Bergen.

Cita Chicago Style (17a ed.)

von Falkenhausen, V., N. Jamil, y J. Johns. The Twelfth-century Documents of St. George’s of Tròccoli (Sicily). University of Bergen, 2017.

Cita MLA (9a ed.)

von Falkenhausen, V., et al. The Twelfth-century Documents of St. George’s of Tròccoli (Sicily). University of Bergen, 2017.