Citation & Referencing 1. APA Citation Style 2.Oxford Citation 3. Harvard Citation Style 4. Chicago (Turabian) Citation style 5.MLA Style 6. Vancouver Style 7. CSE Citation Style 8. APSA Style 9. ASA Style 10. NLM Style 11. ACS Style 12. IEEE Style 13. AMA Style 14. AAA Style 15. AGLC Style 16. BLUEBOOK Style 17. CMS Style 18. CSE Style 19. OSCOLA Style