The Vancouver citation is used primarily in the medical and scientific fields for referencing sources. It features a numeric format where citations are listed in the order they appear in the text. Each reference is assigned a unique number corresponding to a detailed entry in the reference list. The vancouver style citation typically includes authors' initials and last names, article title, journal name, publication year, volume, issue number, and page numbers. This style ensures clarity and consistency in academic writing, making it easier for readers to locate the sources. It is widely used for its simplicity and efficiency in handling multiple references.