APA (7th ed.) Citation

Ptolomeo Gnóstico & Quispel, G. (1949). Lettre a Flora. Éditions du Cerf.

Chicago Style (17th ed.) Citation

Ptolomeo Gnóstico and Gilles Quispel. Lettre a Flora. Paris: Éditions du Cerf, 1949.

MLA (9th ed.) Citation

Ptolomeo Gnóstico and Gilles Quispel. Lettre a Flora. Éditions du Cerf, 1949.

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