APA (7th ed.) Citation

Heilbroner, R. L. (1960). The future as history: The historic currents of our time and the direction in which they are taking America. Harper.

Chicago Style (17th ed.) Citation

Heilbroner, Robert L. The Future as History: The Historic Currents of Our Time and the Direction in Which They Are Taking America. New York: Harper, 1960.

MLA (9th ed.) Citation

Heilbroner, Robert L. The Future as History: The Historic Currents of Our Time and the Direction in Which They Are Taking America. Harper, 1960.