APA (7th ed.) Citation

Bogdandy, L., & Engell, H. (1971). The Reduction of Iron Ores: Scientific Basis and Technology. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Bogdandy, Ludwig, and Hans-Jürgen Engell. The Reduction of Iron Ores: Scientific Basis and Technology. Berlin, Heidelberg: Springer Berlin Heidelberg, 1971.

MLA (9th ed.) Citation

Bogdandy, Ludwig, and Hans-Jürgen Engell. The Reduction of Iron Ores: Scientific Basis and Technology. Springer Berlin Heidelberg, 1971.