APA (7th ed.) Citation

Bullen, C., Sim, R. N., Theobald, R., Banwait, M., Virk, K., Darlington, S., . . . Taylor, F. (2000). Letters to the Editor. Computer Bulletin, 42(4), 4. https://doi.org/10.1093/combul/42.4.4

Chicago Style (17th ed.) Citation

Bullen, Colin, et al. "Letters to the Editor." Computer Bulletin 42, no. 4 (2000): 4. https://doi.org/10.1093/combul/42.4.4.

MLA (9th ed.) Citation

Bullen, Colin, et al. "Letters to the Editor." Computer Bulletin, vol. 42, no. 4, 2000, p. 4, https://doi.org/10.1093/combul/42.4.4.