APA (7th ed.) Citation

Bureau international des poids et mesures, National Physical Laboratory (Great Britain), & Bell, R. J. (1993). SI : the international system of units / approved translation of the International Bureau of Weights and Measures publication 'Le Système International d'Unités (SI)': The international system of units (6th ed, United Kingdom editor R.J. Bell.). HMSO.

Chicago Style (17th ed.) Citation

Bureau international des poids et mesures, National Physical Laboratory (Great Britain), and R. J. Bell. SI : The International System of Units / Approved Translation of the International Bureau of Weights and Measures Publication 'Le Système International D'Unités (SI)': The International System of Units. 6th ed, United Kingdom editor R.J. Bell. London: HMSO, 1993.

MLA (9th ed.) Citation

Bureau international des poids et mesures, et al. SI : The International System of Units / Approved Translation of the International Bureau of Weights and Measures Publication 'Le Système International D'Unités (SI)': The International System of Units. 6th ed, United Kingdom editor R.J. Bell. HMSO, 1993.

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