APA (7th ed.) Citation

Barnard, J., & Hodder, J. (2012). New imperial geographies? Journal of Historical Geography, 38(1), 90. https://doi.org/10.1016/j.jhg.2011.10.002

Chicago Style (17th ed.) Citation

Barnard, Joanna, and Jake Hodder. "New Imperial Geographies?" Journal of Historical Geography 38, no. 1 (2012): 90. https://doi.org/10.1016/j.jhg.2011.10.002.

MLA (9th ed.) Citation

Barnard, Joanna, and Jake Hodder. "New Imperial Geographies?" Journal of Historical Geography, vol. 38, no. 1, 2012, p. 90, https://doi.org/10.1016/j.jhg.2011.10.002.