APA (7th ed.) Citation

Porfirio, Bouffartigue, J., & Patillon, M. (1977). De l'abstinence. Belles Lettres.

Chicago Style (17th ed.) Citation

Porfirio, Jean Bouffartigue, and Michel Patillon. De L'abstinence. Paris: Belles Lettres, 1977.

MLA (9th ed.) Citation

Porfirio, et al. De L'abstinence. Belles Lettres, 1977.

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