Cita APA (7th ed.)

Stearns, P. N. (1987). World History: Patterns of change and continuity. Harper & Row.

Cita Chicago (17th ed.)

Stearns, Peter N. World History: Patterns of Change and Continuity. New York: Harper & Row, 1987.

Cita MLA (9th ed.)

Stearns, Peter N. World History: Patterns of Change and Continuity. Harper & Row, 1987.

Atenció: Aquestes cites poden no estar 100% correctes.