Spirans with four aromatic radicals on the spiro carbon atom ...
APA Citation
Clarkson, R. Gesse. (1931). Spirans with four aromatic radicals on the spiro carbon atom ... Easton, Pa.: Mack printing company.
MLA Citation
Clarkson, Richard Gesse, 1904-. Spirans With Four Aromatic Radicals On the Spiro Carbon Atom ... Easton, Pa.: Mack printing company, 1931.
Warning: These citations may not always be complete (especially for serials).