Cite the makers of software parenthetically in the text after the first mention, not in the list of references. Software citations should include the name, version number and release date, as well as the name and location of the manufacturer. List databases, but not software, with the references. Personal communications may not be cited as references but may be noted parenthetically in the text. Include a date and secure permission from the person quoted.
Authors are responsible for the accuracy of all references cited in the manuscript.
For more information on references see the Reference Style section. Tables and Figures - Print each table or figure on a separate sheet. If supplying electronically, position at the end of the file. Number separately tables and figures in consecutive order following the sequence of citation in the text and supply a brief title for each. For tables, give each column a short or abbreviated heading.