Citazione Stile APA (7a Edizione)

Wolf, H. (1989). Spanish and Italian songbooks (Primera edición.). Dover publications.

Citazione stile Chigago Style (17a edizione)

Wolf, Hugo. Spanish and Italian Songbooks. Primera edición. New York: Dover publications, 1989.

Citatione MLA (8a ed.)

Wolf, Hugo. Spanish and Italian Songbooks. Primera edición. Dover publications, 1989.