APA (7th ed.) Citation

(1887). Life of Henry Clay. In 2 vols. Boston etc..

Chicago Style (17th ed.) Citation

Life of Henry Clay. In 2 Vols. Boston etc., 1887.

MLA (8th ed.) Citation

Life of Henry Clay. In 2 Vols. Boston etc., 1887.

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