Cita APA (7th ed.)
Uffelen , C. v. (2012). Sky scrapers. Braun.
Cita Chicago (17th ed.)
Uffelen , Chris van. Sky Scrapers. New York: Braun, 2012.
Cita MLA (9th ed.)
Uffelen , Chris van. Sky Scrapers. Braun, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.