There are various citation styles. Use the style appropriate for the discipline and talk with your instructor about assignment guidelines. 

  
Cite Right

 
Chicago Manual of Style Online

Concise APA Handbook (ebook)

 
MLA Handbook

 
A Manual for Writers of Research Papers, Theses, and Dissertations

Scientific Style in English (ebook)

Search Alerts

Set up Search Alerts via email and RSS to receive periodic results from your saved search queries. Use this feature to automatically receive weekly, monthly or yearly alerts on your research interests.
Create a Search Alert in Fleet SEARCH

Citation Management Tools

Zotero is a browser extension used to help you collect, organize, cite, and share your research sources. Zotero Quick start guide | Zotero tutorials (McGill Univ. Libraries) Use with JURIS-M for multilingual citation translation. For more information see this Tutorial (UC Boulder Libraries)

Similar to Zotero, Mendeley helps to organize and search your personal library, annotate documents and cite as you write.

Visual Information Organizing Tools

Are.na is a platform for connecting ideas and building knowledge.

Evernote helps you capture, organize, and share notes from anywhere.

Miro is an online collaborative whiteboard platform that enables brainstorming, planning and workflow management. More info.

Online Citation Tools

BibMe formats a bibliography in MLA, APA, Chicago or Turabian citation styles.

Easybib generates citations in various styles. Some require a subscription.

Zoterobib is developed by the team behind Zotero.

Citing Primary Sources:
MLA and Chicago
(Library Of Congress)

MLA Style Center

More about Citation Styles
(UC Davis Libraries)

Image Captions - How to Cite an Image