The process by which the impact or quality of an article is assessed by counting the number of times other works mention it in their work can be defined as citation analysis. It involves counting the number of times an article is cited by other works to measure the impact of a publication or an author. The technique of citation analysis is effective and easier among all other technique of Bibliometrics to know the trend of research in a particular field, to know the preference of scholars for various forms of information resources. The present study is conducted in order to find out the citation patterns used by students and scholars of Dibrugarh University, Assam in the preparation of their theses and dissertations. The study revealed that collaborative research is prevailing in the field of Chemistry. It is found that journal contributes the highest number of citations followed by books. These two are found to be widely used format compared to other resources like web/internet resources and other forms of literature. Based on the results of the study, it is hoped that certain conclusion about scholarly communications can be drawn such as forms of citation used by scholars, pattern of authorship etc.,. The study will definitely help researchers to carry out research in similar fields as well as it will help Librarians to plan for effective collection development within their limited budget constraints.