APA (7th ed.) Citation

Gaius & Zulueta, F. d. (1946). The Institutes of Gaius. Clarendon Press.

Chicago Style (17th ed.) Citation

Gaius and Francis de Zulueta. The Institutes of Gaius. Oxford: Clarendon Press, 1946.

MLA (9th ed.) Citation

Gaius and Francis de Zulueta. The Institutes of Gaius. Clarendon Press, 1946.