To do this, you need education so you can know what is normal. If one or more of your parents were alcoholics, read Adult Children of Alcoholics and go to some Al Anon or CODA meetings. Do a web search for this issue. If one of your parents was selfish, read The Drama of the Gifted Child by Alice Miller. If you were spoiled in childhood and now get angry when things do not go your way, read Children of Entitlement on my web pages.
Anger often goes along with entitlement.
If you are a giver who meets other people's needs without getting your own met, read my book, The Doormat Syndrome . If you yell and explode at others as a habit, read The Verbally Abusive Relationship by Patricia Evans. My book How To Let Go of Your Mad Baggage is a spiritual explanation of how the energies of anger work. Anger is an energy, an emotion and translates to behavior. This book helps you understand that anger is a normal human emotion and necessary for survival value of our species.