This three page essay should be typed in 12 pt. font, double-spaced, and have standard one-inch margins. professor’s name, class, and due date should be placed in the upper left-hand corner of the first page. Must use MLA FIVE SOURCES, only three of which can be found electronically, and they must have proper MLA documentation for their sources. Cite Your Sources. Five Sources, only three can be from the internet. You must have both In-text or Parenthetical citations and a corresponding Works Cited page.