Cita APA (7a ed.)

Plumb, J. H. (1951). G.M. Trevelyan. published for The British Council and the National Book League by Longmans, Green & Co.

Cita Chicago Style (17a ed.)

Plumb, J. H. G.M. Trevelyan. London ; New York ; Toronto: published for The British Council and the National Book League by Longmans, Green & Co, 1951.

Cita MLA (9a ed.)

Plumb, J. H. G.M. Trevelyan. published for The British Council and the National Book League by Longmans, Green & Co, 1951.