APA (7th ed.) Citation

Gallager, R. (1962). Low-density parity-check codes. I.R.E. transactions on information theory, 8(1), 21-28. https://doi.org/10.1109/TIT.1962.1057683

Chicago Style (17th ed.) Citation

Gallager, R. "Low-density Parity-check Codes." I.R.E. Transactions on Information Theory 8, no. 1 (1962): 21-28. https://doi.org/10.1109/TIT.1962.1057683.

MLA (9th ed.) Citation

Gallager, R. "Low-density Parity-check Codes." I.R.E. Transactions on Information Theory, vol. 8, no. 1, 1962, pp. 21-28, https://doi.org/10.1109/TIT.1962.1057683.