al], A. C. C. (20). Algarve(s). By the Book.
Chicago Style (17th ed.) Citational], Ana Cristina Carvalho...[et. Algarve(s). By the Book, 20.
Cita MLAal], Ana Cristina Carvalho...[et. Algarve(s). By the Book, 20.
Atenció: Aquestes cites poden no estar 100% correctes.