Research the documentation guidelines that you will use to format your bibliography. For example, you may be adhering to the Chicago Manual of Style or the Council of Science Editors. Make sure you have this information available to reference as you write your bibliography.
Locate the resources that you will reference in your bibliography and create a working bibliography of these sources, listing all of the author, title and publication information for each source according to the documentation guidelines that you are using.
Evaluate each of these resources. Analyze the relevancy, accuracy and currency of each one, and consider as well the credentials for the authors and the sponsoring institutions. Assess whether these resources are authoritative ones for the subject.
Select the resources, based on your analysis, that are the most pertinent or significant to your subject. These resources should be the ones that you would most recommend to other scholars and readers. They will make up your selected bibliography.
Finalize the format of your selected bibliography in accordance with the documentation guidelines that you are using. Carefully double-check the reference information for each resource to guard against possible errors. Proofread your final document for typos as well.