Cita APA (7a ed.)

Sailly, J. d., & Siegfried, A. (1957). La zone Sterling. Armand Colin.

Cita Chicago Style (17a ed.)

Sailly, Jean de, y André Siegfried. La Zone Sterling. Paris: Armand Colin, 1957.

Cita MLA (9a ed.)

Sailly, Jean de, y André Siegfried. La Zone Sterling. Armand Colin, 1957.