APA (7th ed.) Citation

Apollinaire, G., Level, B., & Level, A. (1976). Guillaume Apollinaire, Andre Level: Lettres. Lettres modernes.

Chicago Style (17th ed.) Citation

Apollinaire, Guillaume, Brigitte Level, and Andre Level. Guillaume Apollinaire, Andre Level: Lettres. Paris: Lettres modernes, 1976.

MLA (8th ed.) Citation

Apollinaire, Guillaume, et al. Guillaume Apollinaire, Andre Level: Lettres. Lettres modernes, 1976.