Here are some citation managers that you can use online:
Zotero: Zotero is a free and open-source citation manager that can be used to collect, organize, cite, and share research. It is available as a web application, a desktop application, and a mobile app.
Mendeley: Mendeley is a freemium citation manager that can be used to collect, organize, cite, and share research. It is available as a web application, a desktop application, and a mobile app.
EndNote: EndNote is a paid citation manager that can be used to collect, organize, cite, and share research. It is available as a desktop application and a web application.
CiteULike: CiteULike is a free citation manager that can be used to collect, organize, and cite research. It is available as a web application and a mobile app.
Papers: Papers is a paid citation manager that can be used to collect, organize, cite, and share research. It is available as a desktop application and a web application.
When choosing a citation manager, it is important to consider your needs and preferences. Some factors to consider include:
Cost: Some citation managers are free, while others are paid.
Features: Different citation managers have different features. Some features to consider include the ability to collect and organize research, cite research, and share research.
Ease of use: Some citation managers are easier to use than others.
Compatibility: Some citation managers are compatible with certain word processors, while others are not.