See Sierra and Mac OS X.
"Mac OS X 10.12." YourDictionary, n.d. Web. 20 January 2019. <https://www.yourdictionary.com/mac-os-x-10-12>.
Mac OS X 10.12. (n.d.). Retrieved January 20th, 2019, from https://www.yourdictionary.com/mac-os-x-10-12
Yes, I'd like to receive Word of the Day emails from YourDictionary.com
By continuing, you agree to our
Please set a username for yourself.
People will see it as Author Name with your public flash cards.