Cita APA (7th ed.)
ebrary, Inc, Watson, R. P., & Dewhirst, R. E. (2010). The roads to Congress 2008. Lexington Books.
Cita Chicago (17th ed.)
ebrary, Inc, Robert P. Watson, i Robert E. Dewhirst. The Roads to Congress 2008. Lanham, MD: Lexington Books, 2010.
Cita MLA (9th ed.)
ebrary, Inc, et al. The Roads to Congress 2008. Lexington Books, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.