Citazione Stile APA (7a Edizione)

Pettegree, A., & Weduwen, A. d. (2021). The library: A fragile history (Printing 2.). Basic Books.

Citazione stile Chigago Style (17a edizione)

Pettegree, Andrew, e Arthur der Weduwen. The Library: A Fragile History. Printing 2. New York: Basic Books, 2021.

Citatione MLA (9a ed.)

Pettegree, Andrew, e Arthur der Weduwen. The Library: A Fragile History. Printing 2. Basic Books, 2021.