Ditz, R., Sarbas, B., Schubert, P., & Töpper, W. (1990). Th Thorium: Natural occurrence, minerals (excluding silicates) (8th ed. / 8., völlig neu bearbeitete Aufl.). Springer.
Chicago Style (17th ed.) CitationDitz, Reiner, Bärbel Sarbas, Peter Schubert, and Wolfgang Töpper. Th Thorium: Natural Occurrence, Minerals (excluding Silicates). 8th ed. / 8., völlig neu bearbeitete Aufl. Berlin: Springer, 1990.
MLA (9th ed.) CitationDitz, Reiner, et al. Th Thorium: Natural Occurrence, Minerals (excluding Silicates). 8th ed. / 8., völlig neu bearbeitete Aufl. Springer, 1990.
Warning: These citations may not always be 100% accurate.