Harcourt, Alexander. “Acknowledgments.” Human Biogeography, by Alexander H. Harcourt, 1st ed., University of California Press, Berkeley; Los Angeles; London, 2012, pp. vii-viii, www.jstor.org/stable/10.1525/j.ctt1pnfg9.3. Accessed 19 Apr. 2021.
Harcourt, A. (2012). Acknowledgments. In Harcourt A. (Author), Human Biogeography (pp. Vii-Viii). Berkeley; Los Angeles; London: University of California Press. Retrieved April 19, 2021, from http://www.jstor.org/stable/10.1525/j.ctt1pnfg9.3
Harcourt, Alexander. "Acknowledgments." In Human Biogeography, by Harcourt Alexander H., Vii-iii. Berkeley; Los Angeles; London: University of California Press, 2012. Accessed April 19, 2021. http://www.jstor.org/stable/10.1525/j.ctt1pnfg9.3.
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