Cita APA (7th ed.)

Gilbert, F. (1979). The end of the European era, 1890 to the present (2nd ed.). Norton.

Cita Chicago (17th ed.)

Gilbert, Felix. The End of the European Era, 1890 to the Present. 2nd ed. New York: Norton, 1979.

Cita MLA (9th ed.)

Gilbert, Felix. The End of the European Era, 1890 to the Present. 2nd ed. Norton, 1979.