Explain why you are interested in the position and employer. Include information you have gathered about the organization, and list important facts and details.Choose a sample resume and cover letter according to your program or career interest. These samples are designed to give you an idea of the kind of formatting. In this article, we share the steps for writing an application letter along with a template and an example for you to use when writing your own. A cover letter usually is three paragraphs long and outlines why you are applying for a specific position, a brief overview of your professional background. This sample cover letter may be helpful in providing ideas for developing your own letter. This example is not perfect, but may serve as a guide for you. Why are you interested in applying for this assistant professor position? Why are you interested in this institution?