Cita APA (7a ed.)
Perkins, D. (1952). The American Approach to foreign policy. Harvard Univ. Press.
Cita Chicago Style (17a ed.)
Perkins, Dexter. The American Approach to Foreign Policy. Cambridge, Mass: Harvard Univ. Press, 1952.
Cita MLA (9a ed.)
Perkins, Dexter. The American Approach to Foreign Policy. Harvard Univ. Press, 1952.
Precaución: Estas citas no son 100% exactas.