APA (7th ed.) Citation

Seneca, L. A., & Campbell, R. (2004). Letters from a stoic: Epistulae morales ad lucilium (2004 ed.). Penguin Books.

Chicago Style (17th ed.) Citation

Seneca, Lucius Annaeus, and Robin Campbell. Letters from a Stoic: Epistulae Morales Ad Lucilium. 2004 ed. London: Penguin Books, 2004.

MLA (9th ed.) Citation

Seneca, Lucius Annaeus, and Robin Campbell. Letters from a Stoic: Epistulae Morales Ad Lucilium. 2004 ed. Penguin Books, 2004.