To make a citation you will need:
ONLY THE WEB ADDRESS IS NOT ENOUGH!
Also, make sure that your source is not an online journal, magazine article, or newspaper article. Those are formatted differently. See Purdue for details: https://owl.english.purdue.edu/owl/resource/560/10/
Sample Blog References and In-text Citations From the APA Style Blog
All 33 Chile miners freed in flawless rescue. (2010, October 13). Retrieved from http://www.msnbc.msn.com/id/39625809/ns/world_news-americas/
Cite in text the first few words of the reference list entry (usually the title) and the year. Use double quotation marks around the title or abbreviated title.: ("All 33 Chile Miners," 2010).