The History Department's Style Guide for citations is below.
Some professors may want you to use different styles, and popular options are below. You can also check out the citation research guide for more information on the various citation styles.
Please check style guide PDF above for more information. There are many different kinds of sources that might be used in a history paper, and not all will be covered here, there is a much wider variety covered in the guide. Additionally, the style guide has more information on how notes and bibliography are to be formatted. These are intended to be looked at alongside the style guide not instead of it.