A student's Seneca :
ten letters and selections from De providentia and De vita beata /
with notes and commentary by M.D. Usher.

APA Citation

Seneca, L. Annaeus., Usher, M. D. (Mark David). (2006). A student's Seneca: ten letters and selections from De providentia and De vita beata. Student ed., [Rev. and expanded]. Norman: University of Oklahoma Press.

MLA Citation

Seneca, Lucius Annaeus, approximately 4 B.C.-65 A.D, and M. D. (Mark David) Usher. A Student's Seneca: Ten Letters And Selections From De Providentia And De Vita Beata. Student ed., [Rev. and expanded]. Norman: University of Oklahoma Press, 2006.