You should be given a style guide that sets out how the school /department expects you to present your work. Check the guidance for accepted file types and sizes.
If you have not been given instructions, use:
On your first page include:
Insert page numbers and make sure your bibliography is presented in the correct departmental style. Make sure your essay is free of mistakes: see Copy-editing and Proofreading pages.
For each module, find out which referencing system you are expected to use. If you are unclear, ask your tutor. For more information about how to reference see Referencing.