You have come across the following source in your research, and you found information on page $19$ that you plan to use in the body of your essay:

Smith, Roger. "First$-$Year Writing Students and Support." Journal of First$-$Year Writing, vol. $5,$ no$.2,1$ May $2010,$ pp$.1-23.$

Which is a properly formatted MLA in$-$text citation?

$($Roger Smith$)$

$($Smith $19)$

$($Smith$,2010)$

$($p$.4)$