Cita APA (7th ed.)

Chesterfield, E. o., & Schumann, K. (1918). Letters to His Son. Tauchnitz.

Cita Chicago (17th ed.)

Chesterfield, Earl of, i Kurt Schumann. Letters to His Son. Leipzig: Tauchnitz, 1918.

Cita MLA (8th ed.)

Chesterfield, Earl of, i Kurt Schumann. Letters to His Son. Tauchnitz, 1918.