This kind of format has been widely used for almost half a century now, mainly due to its effect to provide citation references in an understandable way. Different sectors in the field of research have been widely using this style to avoid any issues when it comes to citations and references. 

Modern Language Association of America has presented a complete version for referencing and citation. MLA format paper examples and MLA format guidelines are extensively available online and offline. Whether you want MLA format for title page, headings, in text citations or bibliography, there are several guidelines manual available that can better assist you.