To write a short notice resignation letter, include your position and effective date, explain your reason and express gratitude. State that you wish to quit and include your final day of work.Learn how to write a resignational letter if you're quitting for personal reasons. Professional resignation letter examples for different reasons. Free templates and writing guide to resign on a positive note without feeling awkward. These top samples of resignation letters for personal reasons can be used as helpful templates when you are looking to resign due to personal circumstances. It's time to quit the job, and you're not giving two weeks' notice. Here's how to politely write a resignation letter, effective immediately. We've prepared several resignation letter samples and templates for crafting a concise yet professional resignation letter. Learn how to write a short notice resignation letter with samples.