In almost every case, you'll need to write your paper in APA format, the official publication style of the American Psychological Association.
In general, there are several formatting styles which authors usually follow, including MLA, APA, Harvard, and Chicago among others. Nowadays, APA style is one of the most useful, and a teacher may ask to follow its rules while writing the paper.
Moreover, the authors of official publications also follow it.
With time, the demands and rules to follow have been changing, and now, the Psychological Association recommends using the 6th edition to format the text.
Here are few specific general features of APA style text: Please keep in mind that in case you are not sure in your knowledge of APA paper format or have problems with an essay, research paper, different kinds of letters, or any other type of assignment, there are online services that are ready to help you.