Chicago: "The Geographical Discoveries," The Library of Original Sources, Vol 5 in The Library of Original Sources, ed. Oliver J. Thatcher (Milwaukee, Wisconsin: University Research Extension Co., 1907), Original Sources, accessed July 26, 2024, http://originalsources.com/Document.aspx?DocID=61N6QCVDQT9YIV9.
MLA: . "The Geographical Discoveries." The Library of Original Sources, Vol 5, in The Library of Original Sources, edited by Oliver J. Thatcher, Milwaukee, Wisconsin, University Research Extension Co., 1907, Original Sources. 26 Jul. 2024. http://originalsources.com/Document.aspx?DocID=61N6QCVDQT9YIV9.
Harvard: , 'The Geographical Discoveries' in The Library of Original Sources, Vol 5. cited in 1907, The Library of Original Sources, ed. , University Research Extension Co., Milwaukee, Wisconsin. Original Sources, retrieved 26 July 2024, from http://originalsources.com/Document.aspx?DocID=61N6QCVDQT9YIV9.