You can join google adsense and bid on some relevant keywords. Your advertisements will displayed next to natural search results. Another option is using PPC network. These networks have a lot of publishers so you can advertise on PPC basis on many websites.
Unless you are able and willing to put in the time to learn, get a professional. You will save yourself a lot of headaches and likely a lot of money too. There are many books, ebooks, videos, courses and forums such as this one you can learn from.
Things change pretty quick with adwords and any ebook is usually a bit out of date a couple months after going live.