APA (7th ed.) Citation

(1676). The door of salvation opened; or, A voyce from heaven to unregenerate sinners: Plainly shewing the necessity of opening your hearts to Christ, or else he will open Hells mouth to devour you. With many sweet invitations to come to him that they might have life, and be hidden from the wrath of God, which is worse then [sic] death. Together with the dreadful condition of the stubborn and hard-hearted sinner. Dealing impartially with their souls, propounding blessing and cursing, life & death, salvation if you open to Christ, damnation if you refuse Christ. Bv [sic] T. P. Printed for T. Passinger on London-Bridge.

Chicago Style (17th ed.) Citation

The Door of Salvation Opened; or, A Voyce from Heaven to Unregenerate Sinners: Plainly Shewing the Necessity of Opening Your Hearts to Christ, or Else He Will Open Hells Mouth to Devour You. With Many Sweet Invitations to Come to Him That They Might Have Life, and Be Hidden from the Wrath of God, Which Is Worse Then [sic] Death. Together with the Dreadful Condition of the Stubborn and Hard-hearted Sinner. Dealing Impartially with Their Souls, Propounding Blessing and Cursing, Life & Death, Salvation If You Open to Christ, Damnation If You Refuse Christ. Bv [sic] T. P. [London]: Printed for T. Passinger on London-Bridge, 1676.

MLA (9th ed.) Citation

The Door of Salvation Opened; or, A Voyce from Heaven to Unregenerate Sinners: Plainly Shewing the Necessity of Opening Your Hearts to Christ, or Else He Will Open Hells Mouth to Devour You. With Many Sweet Invitations to Come to Him That They Might Have Life, and Be Hidden from the Wrath of God, Which Is Worse Then [sic] Death. Together with the Dreadful Condition of the Stubborn and Hard-hearted Sinner. Dealing Impartially with Their Souls, Propounding Blessing and Cursing, Life & Death, Salvation If You Open to Christ, Damnation If You Refuse Christ. Bv [sic] T. P. Printed for T. Passinger on London-Bridge, 1676.

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