Cita APA (7th ed.)
Mayhew, D. R. (2008). Parties and policies: How the American government works. Yale University Press.
Cita Chicago (17th ed.)
Mayhew, David R. Parties and Policies: How the American Government Works. New Haven: Yale University Press, 2008.
Cita MLA (9th ed.)
Mayhew, David R. Parties and Policies: How the American Government Works. Yale University Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.