APA (7th ed.) Citation

Oxtoby, D. W. (1994). Sudden Change in the World. Zygon, 29(4), 547-555. doi:10.1111/j.1467-9744.1994.tb00690.x

Chicago Style (17th ed.) Citation

Oxtoby, David W. "Sudden Change in the World." Zygon 29, no. 4 (1994): 547-555, https://doi.org/10.1111/j.1467-9744.1994.tb00690.x.

MLA (8th ed.) Citation

Oxtoby, David W. "Sudden Change in the World." Zygon, vol. 29, no. 4, 1994, pp. 547-555, https://doi.org/10.1111/j.1467-9744.1994.tb00690.x.