Cita APA
Pfaltzgraff, R. L. (1969). Politics and the international system. Lippincott.
Citación estilo Chicago
Pfaltzgraff, Robert L. Politics and the International System. Philadelphia: Lippincott, 1969.
Cita MLA
Pfaltzgraff, Robert L. Politics and the International System. Lippincott, 1969.
Warning: These citations may not always be 100% accurate.