APA (7th ed.) Citation

Butler, W. A. Lectures on the history of ancient philosophy: In 2 vol. Macmillan.

Chicago Style (17th ed.) Citation

Butler, William Archer. Lectures on the History of Ancient Philosophy: In 2 Vol. Cambridge: Macmillan.

MLA (9th ed.) Citation

Butler, William Archer. Lectures on the History of Ancient Philosophy: In 2 Vol. Macmillan.

Warning: These citations may not always be 100% accurate.