APA (7th ed.) Citation

Galen Symposium, Kudlien, F., & Durling, R. J. (1991). Galen's method of healing: Proceedings of the 1982 Galen Symposium. Brill.

Chicago Style (17th ed.) Citation

Galen Symposium, Fridolf Kudlien, and Richard J. Durling. Galen's Method of Healing: Proceedings of the 1982 Galen Symposium. Leiden [etc.]: Brill, 1991.

MLA (9th ed.) Citation

Galen Symposium, et al. Galen's Method of Healing: Proceedings of the 1982 Galen Symposium. Brill, 1991.