The three rhetorical appeals outlined in the book Rhetoric are ...

The appeal to credibility; the effort of the writer or speaker to connect with the audience and to establish that they can trust him or her as well as the sources that he or she cites.

A scholar attempts to warn readers about the potential for becoming a totalitarian state by pointing out similarities to the development of totalitarian states in other places and earlier times in history.

A public service message tries to encourage people to avoid texting while driving. For support it shows the photo of parents crying and holding each other in grief over the death of their daughter, a passenger who was killed when her careless friend drove into a pole while texting.

A writer informs the reader of her own extensive experience as a wilderness hiker and camper in order to strengthen her credibility in arguing for protection of an endangered species of animal.

A speaker at a professional educators' conference, while giving her opening remarks in her speech promoting a new method of teaching, refers to the person who organized the conference as her dear mentor and friend, and then she expresses her respect for the audience that has shown such an admirable interest in positive education reform.

In order to prove that her political opponent is unreliable, a politician cites ten specific examples of her opponent changing his position on issues. She also adds that her opponent's own party leaders criticized him publicly for changing his positions on key issues.

A professor arouses alarm in the minds of the audience by comparing the new political leader to a horrible dictator from the past who is universally hated.