Question

What must we do to convert the annotated bibliography to an APA-formatted reference page

Answer 1

Here is an example of an annotated bibliography entry in MLA format:
(Broken Link Removed)
And many sources with more informtion on annotated bibliographies:
http://www.google.com/search?q=annotated+bibliography&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA

Here is a website that gives terrific examples of a wide variety of references in correct APA format:
(Broken Link Removed)
And a sample APA reference page:
http://depts.gallaudet.edu/englishworks/writing/aparef.html

The information is basically the same, simply rearranged. And whether you keep the annotations or not is either up to you or should be clarified with your instructor.