APA Citation

Ortega Y Gasset, J. (1961). History as a system: And other essays toward a philosophy of history. New York: W. W. Norton.

Chicago Style Citation

Ortega Y Gasset, Jose. History As a System: And Other Essays Toward a Philosophy of History. New York: W. W. Norton, 1961.

MLA Citation

Ortega Y Gasset, Jose. History As a System: And Other Essays Toward a Philosophy of History. New York: W. W. Norton, 1961.

Warning: These citations may not always be 100% accurate.