Cita APA

Walther, H., & Zitzmann, A. (1977). The Iron ore deposits of Europe and Adjacent areas: Explanatory notes to the international map of the iron ore deposits of Europe, 1:2.500.000. Hannover: Staff.

Citación estilo Chicago

Walther, H.W., y A. Zitzmann. The Iron Ore Deposits of Europe and Adjacent Areas: Explanatory Notes to the International Map of the Iron Ore Deposits of Europe, 1:2.500.000. Hannover: Staff, 1977.

Cita MLA

Walther, H.W., y A. Zitzmann. The Iron Ore Deposits of Europe and Adjacent Areas: Explanatory Notes to the International Map of the Iron Ore Deposits of Europe, 1:2.500.000. Hannover: Staff, 1977.