Cita APA (7a ed.)

Campbell, R. (1939). Flowering rifle: A poem from the battlefield of Spain. Longmans, Green and Co.

Cita Chicago Style (17a ed.)

Campbell, Roy. Flowering Rifle: A Poem from the Battlefield of Spain. London ; New York ; Toronto: Longmans, Green and Co, 1939.

Cita MLA (9a ed.)

Campbell, Roy. Flowering Rifle: A Poem from the Battlefield of Spain. Longmans, Green and Co, 1939.