Chicago:
John Bagnell Bury, "Chapter 18. Material Progress: The Exhibition of 1851," The Idea of Progress: An Inguiry Into Its Origin and Growth in The Idea of Progress: An Inguiry Into Its Origin and Growth (New York: The Macmillan Company, 1932), Original Sources, accessed July 6, 2025, http://www.originalsources.com/Document.aspx?DocID=UWBFGNSYZNR78DG.
MLA:
Bury, John Bagnell. "Chapter 18. Material Progress: The Exhibition of 1851." The Idea of Progress: An Inguiry Into Its Origin and Growth, in The Idea of Progress: An Inguiry Into Its Origin and Growth, New York, The Macmillan Company, 1932, Original Sources. 6 Jul. 2025. http://www.originalsources.com/Document.aspx?DocID=UWBFGNSYZNR78DG.
Harvard:
Bury, JB, 'Chapter 18. Material Progress: The Exhibition of 1851' in The Idea of Progress: An Inguiry Into Its Origin and Growth. cited in 1932, The Idea of Progress: An Inguiry Into Its Origin and Growth, The Macmillan Company, New York. Original Sources, retrieved 6 July 2025, from http://www.originalsources.com/Document.aspx?DocID=UWBFGNSYZNR78DG.