Ryan, Alan. "Introduction". An Examination of Sir William Hamilton's Philosophy: Volume 9, Toronto: University of Toronto Press, 1979, pp. vii-lxviii. https://doi.org/10.3138/9781442623668-001
Ryan, A. (1979). Introduction. In An Examination of Sir William Hamilton's Philosophy: Volume 9 (pp. vii-lxviii). Toronto: University of Toronto Press. https://doi.org/10.3138/9781442623668-001
Ryan, A. 1979. Introduction. An Examination of Sir William Hamilton's Philosophy: Volume 9. Toronto: University of Toronto Press, pp. vii-lxviii. https://doi.org/10.3138/9781442623668-001
Ryan, Alan. "Introduction" In An Examination of Sir William Hamilton's Philosophy: Volume 9, vii-lxviii. Toronto: University of Toronto Press, 1979. https://doi.org/10.3138/9781442623668-001
Ryan A. Introduction. In: An Examination of Sir William Hamilton's Philosophy: Volume 9. Toronto: University of Toronto Press; 1979. p.vii-lxviii. https://doi.org/10.3138/9781442623668-001