Cita APA (7a ed.)

Vikan, G., & Nesbitt, J. (1980). Security in Byzantium: [Gary Vikan and John Nesbitt]. Dumbarton Oaks Center for Byzantine Studies.

Cita Chicago Style (17a ed.)

Vikan, Gary, y John Nesbitt. Security in Byzantium: [Gary Vikan and John Nesbitt]. Washington, DC: Dumbarton Oaks Center for Byzantine Studies, 1980.

Cita MLA (8a ed.)

Vikan, Gary, y John Nesbitt. Security in Byzantium: [Gary Vikan and John Nesbitt]. Dumbarton Oaks Center for Byzantine Studies, 1980.