Here are some compiled resources for your use. These will variously apply to the AP US History and AP World History courses that I teach.
Here's a video I made modeling the citation style I'm looking for. It's focused on a particular APUSH assignment that we did, but it will also apply to my other courses.
- Purdue OWL, Chicago Manual of Style - This is the format that I require for all written assignments in all of my courses.
Of Additional Interest
- Historical Fiction - Works of G.A. Henty - These are historical fiction novels written from the British perspective in the 1800s. Understand that, since they come from over 100 years ago, there will be quite a lot of issues that make these difficult to use as actual sources. If you are critical of his writing and understand the biases that he operates with (e.g., there are a lot of "savages" and that sort of thing), they can be good study materials that have a story.
- Podcast - Dan Carlin's Hardcore History - the episodes are long, but the content is fantastic, and the analysis is wonderful. They go into detail, consult multiple sources, and bring all of those fascinating details from history to you that you normally don't get time to discover.