Cross-referencing is a method used to connect related information across different sources or sections of a document. This technique helps readers find additional details or context, enhancing their understanding of a topic. For example, a book might refer to a specific chapter or page number where more information can be found, allowing for a deeper exploration of the subject. In academic writing, cross-referencing is essential for citing sources, ensuring that claims are supported by evidence. It often involves using footnotes or endnotes to link to bibliographies or reference lists, making it easier for readers to verify information and explore further readings on topics like research studies or historical events.