Cita APA (7th ed.)

Leuthold, H. (1979). Gotha. Hermann Haack.

Cita Chicago (17th ed.)

Leuthold, Helmut. Gotha. Gotha: Hermann Haack, 1979.

Cita MLA (8th ed.)

Leuthold, Helmut. Gotha. Hermann Haack, 1979.