Chicago: Walter Bagehot, "Physics and Politics," Physics and Politics in Physics and Politics (New York: D. Appleton, 1887), Original Sources, accessed April 11, 2025, http://originalsources.com/Document.aspx?DocID=N23I1P97PZ2XFDL.
MLA: Bagehot, Walter. "Physics and Politics." Physics and Politics, in Physics and Politics, New York, D. Appleton, 1887, Original Sources. 11 Apr. 2025. http://originalsources.com/Document.aspx?DocID=N23I1P97PZ2XFDL.
Harvard: Bagehot, W, 'Physics and Politics' in Physics and Politics. cited in 1887, Physics and Politics, D. Appleton, New York. Original Sources, retrieved 11 April 2025, from http://originalsources.com/Document.aspx?DocID=N23I1P97PZ2XFDL.