Aikin, J. (2001). "Referred to the Librarian, with Power To Act": Herbert Putnam and the Boston Public Library.
Citazione stile Chigago Style (17a edizione)Aikin, Jane. "Referred to the Librarian, with Power To Act": Herbert Putnam and the Boston Public Library. 2001.
Citatione MLA (9a ed.)Aikin, Jane. "Referred to the Librarian, with Power To Act": Herbert Putnam and the Boston Public Library. 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.