APA (7th ed.) Citation

Yourcenar, M., & Ascher, M. L. (1995). How many years (1st American ed.). Farrar Straus Giroux.

Chicago Style (17th ed.) Citation

Yourcenar, Marguerite, and Maria Louise Ascher. How Many Years. 1st American ed. New York: Farrar Straus Giroux, 1995.

MLA (9th ed.) Citation

Yourcenar, Marguerite, and Maria Louise Ascher. How Many Years. 1st American ed. Farrar Straus Giroux, 1995.