APA (7th ed.) Citation

(1640). The worst is past. Or, A merry new song that lately was pend: Vvhich when these things alter, the times will amend: it's merry and harmlesse, free from all distaste, vnd [sic] when these changes come, the worst is past. To a pleasant new tune. printed for Richard Harper in Smithfield.

Chicago Style (17th ed.) Citation

The Worst Is Past. Or, A Merry New Song That Lately Was Pend: Vvhich When These Things Alter, the Times Will Amend: It's Merry and Harmlesse, Free from All Distaste, Vnd [sic] When These Changes Come, the Worst Is Past. To a Pleasant New Tune. London: printed for Richard Harper in Smithfield, 1640.

MLA (9th ed.) Citation

The Worst Is Past. Or, A Merry New Song That Lately Was Pend: Vvhich When These Things Alter, the Times Will Amend: It's Merry and Harmlesse, Free from All Distaste, Vnd [sic] When These Changes Come, the Worst Is Past. To a Pleasant New Tune. printed for Richard Harper in Smithfield, 1640.

Warning: These citations may not always be 100% accurate.