The importance of using citations that are proper be understated. It offers credit to the authors for ideas and research which you have incorporated to your own paper. In addition, neglecting to acknowledge the task of others can cause accusations of plagiarism, which in turn can result in consequences such as a failing grade or even getting fired from your own job.
This site offers guidelines on how best to properly format your cover page, reference page (the bibliography) and general in-text citing.
Before starting your essay or research paper, you ought to become acquainted with some general APA rules.