The punctuation for the sentence goes AFTER the parenthesis. ... At the end of the quote put the period after the last word of the sentence followed by the parentheses.

Does the period go before or after a standard parenthetical reference?

Short quotations

Provide the author and specific page number (in the case of verse, provide line numbers) in the in-text citation, and include a complete reference on the Works Cited page. Punctuation marks such as periods, commas, and semicolons should appear after the parenthetical citation.

Do in-text citations go before or after the period MLA?

The period at the end of the quotation comes before your in-text citation as opposed to after, as it does with regular quotations.