Cita APA (7a ed.)
Abbott, P. (2011). The challenge of the American presidency: Washington to Obama (2nd ed.). Lexington Books.
Cita Chicago Style (17a ed.)
Abbott, Philip. The Challenge of the American Presidency: Washington to Obama. 2nd ed. Lanham, Md.: Lexington Books, 2011.
Cita MLA (9a ed.)
Abbott, Philip. The Challenge of the American Presidency: Washington to Obama. 2nd ed. Lexington Books, 2011.
Precaución: Estas citas no son 100% exactas.