McKirahan, Richard D.. "Acknowledgments". Principles and Proofs: Aristotle's Theory of Demonstrative Science, Princeton: Princeton University Press, 1992, pp. xi-xii. https://doi.org/10.1515/9781400887163-001
McKirahan, R. (1992). Acknowledgments. In Principles and Proofs: Aristotle's Theory of Demonstrative Science (pp. xi-xii). Princeton: Princeton University Press. https://doi.org/10.1515/9781400887163-001
McKirahan, R. 1992. Acknowledgments. Principles and Proofs: Aristotle's Theory of Demonstrative Science. Princeton: Princeton University Press, pp. xi-xii. https://doi.org/10.1515/9781400887163-001
McKirahan, Richard D.. "Acknowledgments" In Principles and Proofs: Aristotle's Theory of Demonstrative Science, xi-xii. Princeton: Princeton University Press, 1992. https://doi.org/10.1515/9781400887163-001
McKirahan R. Acknowledgments. In: Principles and Proofs: Aristotle's Theory of Demonstrative Science. Princeton: Princeton University Press; 1992. p.xi-xii. https://doi.org/10.1515/9781400887163-001