Cita APA (7a ed.)

Beddis, R. (1982). The changing world. Oxford University Press.

Cita Chicago Style (17a ed.)

Beddis, Rex. The Changing World. Oxford [u.a.]: Oxford University Press, 1982.

Cita MLA (9a ed.)

Beddis, Rex. The Changing World. Oxford University Press, 1982.