Cita APA (7th ed.)
Burroughs, W. S., & Borriello, C. (2008). Nova express. Adelphi.
Cita Chicago (17th ed.)
Burroughs, William S., i Carlo Borriello. Nova Express. Milano: Adelphi, 2008.
Cita MLA (9th ed.)
Burroughs, William S., i Carlo Borriello. Nova Express. Adelphi, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.