APA (7th ed.) Citation

Aubrecht, G. J., French, A. P., & Iona, M. (2011). About the International System of Units (SI).

Chicago Style (17th ed.) Citation

Aubrecht, Gordon J., A. P. French, and Mario Iona. About the International System of Units (SI). 2011.

MLA (9th ed.) Citation

Aubrecht, Gordon J., et al. About the International System of Units (SI). 2011.