APA (7th ed.) Citation

Schurz, C. (1899). Henry Clay (Standard library ed.). Houghton, Mifflin.

Chicago Style (17th ed.) Citation

Schurz, Carl. Henry Clay. Standard library ed. Boston [Mass.]: Houghton, Mifflin, 1899.

MLA (9th ed.) Citation

Schurz, Carl. Henry Clay. Standard library ed. Houghton, Mifflin, 1899.