Bibme:This offers plagiarism checking, citation generation, and bibliography creation.
Refme: Automated citation generator focusing on APA style guide.
Chicago Manual of Style: This is the link for the complete Chicago Manual of Style.
MLA Style Center: This is the official MLA (Modern Language Association) resource for explaining the 8th edition of the MLA citation style requirements.
eTurabian: bibliography/citation generator for the Turabian style guide.