In order to know the best type of annotation, it is prudent to consult the instructor or follow the instructions.
An informative annotation should include the thesis of the work, arguments or hypothesis, proofs and a conclusion.
They provide overall information about what kinds of questions or issues are addressed by the work, for example, through chapter titles.
This type of annotation assesses the source's strengths and weaknesses, in terms of usefulness and quality.
[5] They evaluate the source or author critically to find any biases, lack of evidence, objectives, etc.
This type of annotation will summarize or describe the topic, and then evaluate the source's usefulness and a summary.
Since the formats may slightly vary from one institution to another and amongst scholars and researchers depending on the regulations, courses and materials being annotated, it is imperative to ask for specific guidelines.
The bibliographic information There are also bibliography annotations that combine all three types (MLA, APA and Chicago style).
Sample entry of an APA style annotated bibliography: Murray's book offers an in-depth look at the history of libraries since ancient times.