Driggs, F. H. (1925). Observations on the rare earths: The purification and atomic weight of holmium.
Chicago Style (17th ed.) CitationDriggs, Frank Howard. Observations on the Rare Earths: The Purification and Atomic Weight of Holmium. 1925.
MLA (9th ed.) CitationDriggs, Frank Howard. Observations on the Rare Earths: The Purification and Atomic Weight of Holmium. 1925.
Warning: These citations may not always be 100% accurate.