Most of mine are from Thanksgiving/Christmas turkeys, but I use any kind of bones I have. Ham, pock, chicken, steak, turkey.
I do mine in my Instant Pot.
https://www.pressurecookrecipes.com/instant-pot-bone-broth/
That's where I learned everything I know.
I use bones, celery, carrots, onions, more onions, garlic, more onions, bay leaf, peppercorns, and a healthy splash of cider vinegar. Then water up to the "max fill" line on the pot.
Whenever I cut up an onion or clove of garlic, I save the cut off bits in a bag in the freezer. Ditto with carrots or celery. I get most of my ingredients for "free," as they are the parts of the veg and carcass that would be buried in the garden/compost.
When it's done, I pour it through a colander. Most bones get used twice, so I pull them out and start another freezer bag of stuff for bone broth. The vegetable mush gets put into small freezer bags and given to the chickens as chickie snack.
That's a special, not-too-often treat.