APA (7th ed.) Citation

Franklin, S., & Shepard, J. (1992). Byzantine diplomacy: Papers...[from]. Variorum.

Chicago Style (17th ed.) Citation

Franklin, Simon, and Jonathan Shepard. Byzantine Diplomacy: Papers...[from]. Hampshire: Variorum, 1992.

MLA (8th ed.) Citation

Franklin, Simon, and Jonathan Shepard. Byzantine Diplomacy: Papers...[from]. Variorum, 1992.