Cita APA (7th ed.)

Thompson, W. I. (1971). At the edge of history. Harper & Row.

Cita Chicago (17th ed.)

Thompson, William Irwin. At the Edge of History. New York: Harper & Row, 1971.

Cita MLA (9th ed.)

Thompson, William Irwin. At the Edge of History. Harper & Row, 1971.