Cita APA (7th ed.)
Claudel, P., & Rivière, J. Letters to a Doubter. Albert and Charles Boni.
Cita Chicago (17th ed.)
Claudel, Paul, i Jacques Rivière. Letters to a Doubter. Nueva York, EUA: Albert and Charles Boni.
Cita MLA (9th ed.)
Claudel, Paul, i Jacques Rivière. Letters to a Doubter. Albert and Charles Boni.
Atenció: Aquestes cites poden no estar 100% correctes.