Indicate diacritical marks clearly. Type footnotes double - spaced on pages following the end of the text . The first footnote, unnumbered, should include any acknowledgments and disclaimers. Abbreviate journal names in the style used by the National Library of Medicine in the Index Medicus . A second citation of the same source, if immediately following, is Ibid.
Authors are solely responsible for the accuracy of citations.
Ibid., p. 105. Estelle DuBois-Reymond, ed. Paul Diepgen, trans. Sabin Lichtner-Ayed, ed. Organism and Environment , pp.