Cita APA

Perkins, D. (1952). The American approach to foreign policy. Harvard Univ. Pr.

Citación estilo Chicago

Perkins, Dexter. The American Approach to Foreign Policy. Cambridge, Mass: Harvard Univ. Pr, 1952.

Cita MLA

Perkins, Dexter. The American Approach to Foreign Policy. Harvard Univ. Pr, 1952.