APA citiranje

Cohen, J. (2003). The presidency. New York, NY: McGraw-Hill / Irwin.

Trích dẫn kiểu Chicago

Cohen, Jeffrey. The Presidency. New York, NY: McGraw-Hill / Irwin, 2003.

MLA citiranje

Cohen, Jeffrey. The Presidency. New York, NY: McGraw-Hill / Irwin, 2003.