I think you just gotta give your style some time. Mine took a while, and I'm still not sure if I have a distinct one yet. I'll come with practice! What I did, was practice drawing different body-types in the same style, and if you retain your style without it looking like a completely different style, then you have one! If not, try it again. I think the part that helps my style a lot, is my basic formal approach, like anatomy guidelines and aesthetic preferences. I think you should think about your own aesthetic preferences, and your approach to see where all your art stems from.
Do I have a style yet? I feel like I do, but I want to know if it's noticeable to others?