Citazione Stile APA (7a Edizione)

York, S. (2007). Twenty-Five Years Later: A Librarian Looks Back...and Ahead.

Citazione stile Chigago Style (17a edizione)

York, Sherry. Twenty-Five Years Later: A Librarian Looks Back...and Ahead. 2007.

Citatione MLA (9a ed.)

York, Sherry. Twenty-Five Years Later: A Librarian Looks Back...and Ahead. 2007.