Chicago:
"Physics," 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 October 26, 2025, http://originalsources.com/Document.aspx?DocID=BI76ILK5WYGL3RN.
MLA:
. "Physics." 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. 26 Oct. 2025. http://originalsources.com/Document.aspx?DocID=BI76ILK5WYGL3RN.
Harvard:
, 'Physics' 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 26 October 2025, from http://originalsources.com/Document.aspx?DocID=BI76ILK5WYGL3RN.