APA (7th ed.) Citation

(1949). Lettres de John Keats (1a. ed.). Librairie Beranger.

Chicago Style (17th ed.) Citation

Lettres De John Keats. 1a. ed. París: Librairie Beranger, 1949.

MLA (9th ed.) Citation

Lettres De John Keats. 1a. ed. Librairie Beranger, 1949.