Seneca's morals by way of abstract :
to which is added a discourse under the title of An after-thought /
by Sir Roger L'Estrange.

APA Citation

Seneca, L. Annaeus., L'Estrange, R. (1817). Seneca's morals by way of abstract: to which is added a discourse under the title of An after-thought. 5th American ed. New York: Evert Duyckinck.

MLA Citation

Seneca, Lucius Annaeus, approximately 4 B.C.-65 A.D, and Roger L'Estrange. Seneca's Morals by Way of Abstract: to Which Is Added a Discourse Under the Title of An After-thought. 5th American ed. New York: Evert Duyckinck, 1817.

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