Cita APA (7th ed.)

Hille, H. (1970). moderne philatelie. Transpress.

Cita Chicago (17th ed.)

Hille, Horst. Moderne Philatelie. Berlin: Transpress, 1970.

Cita MLA (8th ed.)

Hille, Horst. Moderne Philatelie. Transpress, 1970.