Leadership to Me

This essay is an assignment given to me while in Army Advance individual training 27d paralegal specialist training and while be turned into my sergeat. The prompt:
What is leadership to you? What are some good and bad leadership traits you have experienced since you decided to enlist (Example: Drill sergeants from fort jacskon basic training “Drill Sergeant Green”)? What are some of the leadership traits you read about (in your chosen book)? Cite your source and use APA formatting for your reference page.
This also needs to have a reference to my chosen book, One summer by Bill Bryson.