Cita APA (7a ed.)

Roberts, J. S. (1999). Siegfried Sassoon: (1886-1967). Richard Cohen Books.

Cita Chicago Style (17a ed.)

Roberts, John Stuart. Siegfried Sassoon: (1886-1967). London: Richard Cohen Books, 1999.

Cita MLA (9a ed.)

Roberts, John Stuart. Siegfried Sassoon: (1886-1967). Richard Cohen Books, 1999.