Cita APA (7th ed.)

Emmel, H., & Emmel, H. (1972). [Geschichte des., 1]. Francke.

Cita Chicago (17th ed.)

Emmel, Hildegard, i Hildegard Emmel. [Geschichte Des., 1]. Bern ; München: Francke, 1972.

Cita MLA (8th ed.)

Emmel, Hildegard, i Hildegard Emmel. [Geschichte Des., 1]. Francke, 1972.