Etymologiae (fragment).
MLA
Isidore, of Seville, Saint, -636. Etymologiae (fragment).. [between 1150 and 1199]. https://collections.library.yale.edu/catalog/2003657.
APA, 6th edition
Isidore, of Seville, Saint, -636. ([between 1150 and 1199])[Etymologiae (fragment).]. https://collections.library.yale.edu/catalog/2003657.