APA citáció

Koch Sándor. (1953). The Hungarian mineral occurrences. Szeged.

Chicago Style (17th ed.) Citation

Koch Sándor. The Hungarian Mineral Occurrences. University of Szeged, Department of Mineralogy, Geochemistry and Petrology: Szeged, 1953.

MLA idézés

Koch Sándor. The Hungarian Mineral Occurrences. Szeged, 1953.