S. F. (1668). Youths sure guide to heaven: or, the most useful and necessary truths of the gospel, briefly, and plainly opened, to their capacities: With directions how they should improve every truth they learn, to spiritual advantages; by way of questions and answers; together with close and pertinent applications. By S.F. an unworthy servant of Jesus Christ in the work of the gospel. [s.n.].
Chicago Style (17th ed.) CitationS. F. Youths Sure Guide to Heaven: Or, the Most Useful and Necessary Truths of the Gospel, Briefly, and Plainly Opened, to Their Capacities: With Directions How They Should Improve Every Truth They Learn, to Spiritual Advantages; by Way of Questions and Answers; Together with Close and Pertinent Applications. By S.F. an Unworthy Servant of Jesus Christ in the Work of the Gospel. London: [s.n.], 1668.
MLA (9th ed.) CitationS. F. Youths Sure Guide to Heaven: Or, the Most Useful and Necessary Truths of the Gospel, Briefly, and Plainly Opened, to Their Capacities: With Directions How They Should Improve Every Truth They Learn, to Spiritual Advantages; by Way of Questions and Answers; Together with Close and Pertinent Applications. By S.F. an Unworthy Servant of Jesus Christ in the Work of the Gospel. [s.n.], 1668.