There are lots of examples available online. Here's a selection of the best to guide you.
(Remember that you will be using HARVARD - Cite them right referencing style)
http://www.unm.edu/~unmvclib/handouts/annotatedbibliographysample.pdf
https://asklibrary.com.edu/faq/62386
http://rasmussen.libanswers.com/faq/32338
