Cita APA (7th ed.)

Fukuzawa, Y. (2009). An outline of a theory of civilization. Columbia University Press.

Cita Chicago (17th ed.)

Fukuzawa, Yukichi. An Outline of a Theory of Civilization. New York: Columbia University Press, 2009.

Cita MLA (9th ed.)

Fukuzawa, Yukichi. An Outline of a Theory of Civilization. Columbia University Press, 2009.