APA (7th ed.) Citation

Graffin, H., & Nau, F. Patrologia orientalis (=P.O.). Didot.

Chicago Style (17th ed.) Citation

Graffin, H., and F. Nau. Patrologia Orientalis (=P.O.). Paris: Didot.

MLA (9th ed.) Citation

Graffin, H., and F. Nau. Patrologia Orientalis (=P.O.). Didot.

Warning: These citations may not always be 100% accurate.