De institutione oratoria libri duo [x & xi]
Ex editione G. L. Spalding. Accedunt notae Anglicae. Cura C.K. Dillaway.

APA Citation

Quintilian. (1844). De institutione oratoria libri duo [x & xi]. Phil.: Perkins et Purves, etc., etc.

MLA Citation

Quintilian. De Institutione Oratoria Libri Duo [x & Xi]. Phil.: Perkins et Purves, etc., etc, 1844.

Warning: These citations may not always be complete (especially for serials).