APA (7th ed.) Citation

Plessis, W. d., & Olivier, N. J. J. (1989). States of emergency. Koers, 54(2), 226-239. doi:10.4102/koers.v54i2.825

Chicago Style (17th ed.) Citation

Plessis, W. du, and N. J. J. Olivier. "States of Emergency." Koers 54, no. 2 (1989): 226-239, https://doi.org/10.4102/koers.v54i2.825.

MLA (9th ed.) Citation

Plessis, W. du, and N. J. J. Olivier. "States of Emergency." Koers, vol. 54, no. 2, 1989, pp. 226-239, https://doi.org/10.4102/koers.v54i2.825.

Warning: These citations may not always be 100% accurate.