THE 240 History of World Dress (Varga)

Purdue OWL Chicago Manual of Style 16th Edition: This is one of the few online guides that places note and bibliography citations together, highlighting the different formats. 

Chicago Manual Documentary Note (Humanities) Style: This easy to use compact guide from Williams College Libraries contains examples of notes and bibliography citations.

Chicago Manual of Style Online Guide: Features examples of notes and bibliography citations for a variety of sources.

Some things to keep in mind as you're evaluating a website include:

• Who wrote it? What are their credentials? Have they studied or worked extensively in the field they are writing about?
• Is the page part of a larger institution qualified to write on the topic (e.g. a museum or archive)
• Is the page part of a larger institution with particular lobbying goals? How might that impact the information presented?
• Do they cite their sources? Can you verify what they are saying using other sources?
• Are they trying to sell you anything? 

Check out these more comprehensive evaluation guides:

Evaluating Websites - Questions to Ask (from UC Berkely)

Evaluating Websites - Criteria & Tools (Cornell University)