Chicago:
"Physics and Chemistry," The Library of Original Sources, Vol 9 in The Library of Original Sources, ed. Oliver J. Thatcher (Milwaukee, Wisconsin: University Research Extension Co., 1907), Original Sources, accessed November 17, 2025, http://originalsources.com/Document.aspx?DocID=8B2E51DQXFN9WSM.
MLA:
. "Physics and Chemistry." The Library of Original Sources, Vol 9, in The Library of Original Sources, edited by Oliver J. Thatcher, Milwaukee, Wisconsin, University Research Extension Co., 1907, Original Sources. 17 Nov. 2025. http://originalsources.com/Document.aspx?DocID=8B2E51DQXFN9WSM.
Harvard:
, 'Physics and Chemistry' in The Library of Original Sources, Vol 9. cited in 1907, The Library of Original Sources, ed. , University Research Extension Co., Milwaukee, Wisconsin. Original Sources, retrieved 17 November 2025, from http://originalsources.com/Document.aspx?DocID=8B2E51DQXFN9WSM.