It's important to cite your sources in order to:

• give credit to the original author, photographer, artist, etc.
• avoid plagiarism
• inform your reader where you got your information from
• practice good research skills

If the source you're using is not listed on one of the documents above, check out https://owl.purdue.edu/.
Select MLA Guide or APA Guide and then choose from the options on the left.

Need an online citation generator? Try https://www.mybib.com/.