Chicago:
Walter Bagehot, "Physics and Politics," Physics and Politics in Physics and Politics (New York: D. Appleton, 1887), Original Sources, accessed July 17, 2025, http://www.originalsources.com/Document.aspx?DocID=TBN1DT7RA4YPS5M.
MLA:
Bagehot, Walter. "Physics and Politics." Physics and Politics, in Physics and Politics, New York, D. Appleton, 1887, Original Sources. 17 Jul. 2025. http://www.originalsources.com/Document.aspx?DocID=TBN1DT7RA4YPS5M.
Harvard:
Bagehot, W, 'Physics and Politics' in Physics and Politics. cited in 1887, Physics and Politics, D. Appleton, New York. Original Sources, retrieved 17 July 2025, from http://www.originalsources.com/Document.aspx?DocID=TBN1DT7RA4YPS5M.