Add an in text citation using MLA format. The citation should go immediately after the cited text. The biography traverses the complex long-term relationship between John Adams and Thomas Jefferson, beginning with their early days as part of the 1775 Continental Congress, when Adams mentored Jefferson. The biography traverses the complex long-term relationship between John Adams and Thomas Jefferson, beginning with their early days as part of the 1775 Continental Congress, when Adams mentored Jefferson. Source: John Adams by John McCullough, chapter 2, page 117. Published by Touchstone, New York 2001: Adams considered Jefferson his protege at Philadelphia; Jefferson, impressed by Adams's clarity and vigor in argument, his "sound head, " looked upon him as a mentor