If you are using the 18th ed. of the Guide please use this link via Library Search to the online version:
The Chicago Manual of Style 18th ed. 2024.
The manual is divided into the two styles of Chicago Referencing:
Use the left-hand menu to navigate through each part of the guide. There is a Formatting guidelines page, which gives a brief intro into what sort of information is required for an author-date reference, following that is a list of the most commonly referenced sources, and examples of how they would be referenced.