APA (7th ed.) Citation

Justinian I, E. o. t. E., Birks, P., & McLeod, G. (1987). Justinian's Institutes. Duckworth.

Chicago Style (17th ed.) Citation

Justinian I, Emperor of the East, Peter Birks, and Grant McLeod. Justinian's Institutes. London: Duckworth, 1987.

MLA (9th ed.) Citation

Justinian I, Emperor of the East, et al. Justinian's Institutes. Duckworth, 1987.