APA (7th ed.) Citation

Plumb, J. H. (1961). Sir Robert Walpole. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Plumb, J. H. Sir Robert Walpole. Boston: Houghton Mifflin, 1961.

MLA (8th ed.) Citation

Plumb, J. H. Sir Robert Walpole. Houghton Mifflin, 1961.

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