Cita APA (7th ed.)

Brühl, C. (1985). Geschichte der Philatelie. Olms.

Cita Chicago (17th ed.)

Brühl, Carlrichard. Geschichte Der Philatelie. Hildesheim: Olms, 1985.

Cita MLA (8th ed.)

Brühl, Carlrichard. Geschichte Der Philatelie. Olms, 1985.