APA (7th ed.) Citation

Beer, C. R. d. (1991). Voorwoord. Koers, 56(1), 3-4. doi:10.4102/koers.v56i1.728

Chicago Style (17th ed.) Citation

Beer, C. R. de. "Voorwoord." Koers 56, no. 1 (1991): 3-4, https://doi.org/10.4102/koers.v56i1.728.

MLA (9th ed.) Citation

Beer, C. R. de. "Voorwoord." Koers, vol. 56, no. 1, 1991, pp. 3-4, https://doi.org/10.4102/koers.v56i1.728.

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