Which example shows the proper way to wrap punctuation around in$-$text citations at the end of a sentence?

According to professional librarians, "paying attention to issues of APA usage increases the likelihood that the ideas in your paper will be taken seriously" $($Berube$,2018,$ p$.45).$

According to professional librarians, "paying attention to issues of APA usage increases the likelihood that the ideas in your paper will be taken seriously." $($Berube$,2018,$ p$.45).$

According to professional librarians, "paying attention to issues of APA usage increases the likelihood that the ideas in your paper will be taken seriously." $($Berube$,2018,$ p$.45)$

According to professional librarians, "paying attention to issues of APA usage increases the likelihood that the ideas in your paper will be taken seriously," $($Berube$,2018,$ p$.45).$