APA-Zitierstil (7. Ausg.)

Nielsen, A. (1956). An investigation on promoted iron catalysts for the synthesis of ammonia (2. ed.). Gjellerups.

Chicago-Zitierstil (17. Ausg.)

Nielsen, Anders. An Investigation on Promoted Iron Catalysts for the Synthesis of Ammonia. 2. ed. Copenhagen: Gjellerups, 1956.

MLA-Zitierstil (9. Ausg.)

Nielsen, Anders. An Investigation on Promoted Iron Catalysts for the Synthesis of Ammonia. 2. ed. Gjellerups, 1956.