Jarrell, Richard. "PART TWO. Canadian Astronomy 1840-1905".The Cold Light of Dawn: A History of Canadian Astronomy, Toronto: University of Toronto Press, 1988, pp. 27-90.https://doi.org/10.3138/9781487599935-004

Jarrell, R. (1988). PART TWO. Canadian Astronomy 1840-1905. InThe Cold Light of Dawn: A History of Canadian Astronomy (pp. 27-90). Toronto: University of Toronto Press.https://doi.org/10.3138/9781487599935-004

Jarrell, R. 1988. PART TWO. Canadian Astronomy 1840-1905.The Cold Light of Dawn: A History of Canadian Astronomy. Toronto: University of Toronto Press, pp. 27-90.https://doi.org/10.3138/9781487599935-004

Jarrell, Richard. "PART TWO. Canadian Astronomy 1840-1905" InThe Cold Light of Dawn: A History of Canadian Astronomy, 27-90. Toronto: University of Toronto Press, 1988.https://doi.org/10.3138/9781487599935-004

Jarrell R. PART TWO. Canadian Astronomy 1840-1905. In:The Cold Light of Dawn: A History of Canadian Astronomy. Toronto: University of Toronto Press; 1988. p.27-90.https://doi.org/10.3138/9781487599935-004