Cita APA (7th ed.)

Gilbert, F. (1970). The end of the European era,1890 to the present ([1st ed.].). Norton.

Cita Chicago (17th ed.)

Gilbert, Felix. The End of the European Era,1890 to the Present. [1st ed.]. New York: Norton, 1970.

Cita MLA (9th ed.)

Gilbert, Felix. The End of the European Era,1890 to the Present. [1st ed.]. Norton, 1970.