APA (7th ed.) Citation

Porphyrius 233-301. (1981). Isagoge. Vrin.

Chicago Style (17th ed.) Citation

Porphyrius 233-301. Isagoge. Paris: Vrin, 1981.

MLA (9th ed.) Citation

Porphyrius 233-301. Isagoge. Vrin, 1981.

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