Pattison, William D. “The Four Traditions of Geography”. Journal of Geography, vol. 63, no. 5, 1964, pp. 211-6, https://doi.org/10.1080/00221346408985265.
Pattison, W. D. (1964). The Four Traditions of Geography. Journal of Geography, 63(5), 211-216. https://doi.org/10.1080/00221346408985265
Pattison, William D. “The Four Traditions of Geography”. Journal of Geography 63, no. 5 (1964): 211-16. https://doi.org/10.1080/00221346408985265.
Pattison WD. The Four Traditions of Geography. Journal of Geography. 1964;63(5):211-6.