There is no "official" style for citing business sources. Therefore, researchers usually adapt one of the above styles to cite business sources. Whatever style you choose, use it consistently for your entire project/paper. If you are unsure which style to use, ask your professor.
The websites below give examples of citing business sources in one of the three major styles:
This guide from the University of North Carolina provides examples of how to cite articles, profiles, reports, data and other information from various business databases in the APA Style.