Cita APA (7a ed.)

Black, J. E., & Thompson, K. W. (1963). Foreign policies in a world of change. Harper & Row.

Cita Chicago Style (17a ed.)

Black, Joseph E., y Kenneth W. Thompson. Foreign Policies in a World of Change. New York: Harper & Row, 1963.

Cita MLA (9a ed.)

Black, Joseph E., y Kenneth W. Thompson. Foreign Policies in a World of Change. Harper & Row, 1963.