Harvard referencing basics are the reference list that is used to mention the complete list of the sources considered for writing a book, a work, and even an assignment. The author, publication date, title and many other things are mentioned in this. The important thing is that it is written at the end of the document. The document and the reference are in the double spaced manner. While mentioning the author name their surname is used before the initials and one can mention the three writers in a single reference , if there is more than three writers then the surname of the first writer must be mentioned and would be followed by “et al” and in case of no writer is mentioned then the title would solely lead by titles. There is some detailed below about the Harvard Style.