Cita APA (7th ed.)

Johnson, P. (1983). Modern times: The world from the twenties to the eighties. Harper & Row.

Cita Chicago (17th ed.)

Johnson, Paul. Modern Times: The World from the Twenties to the Eighties. New York [u.a.]: Harper & Row, 1983.

Cita MLA (8th ed.)

Johnson, Paul. Modern Times: The World from the Twenties to the Eighties. Harper & Row, 1983.