The citation needs to be in MLA.
These are additional sources required along with the book Don Quixote. (Williamson, Edwin. Romance and Realism in the Interpolated Stories of the Quixote.
Romance and Realism in the Interpolated Stories of the Quixote, by Edwin Williamson,
www.h-net.org/~cervantes/csa/artics82/williams.htm.
Warshawsky , Matthew D., and James A. Parr. PDF. Juan De La Cuesta.)
Testimonials
The concept of love and romance in Don Quixote. by Miguel de Cervantes.