APA (7th ed.) Citation

Sigma-Aldrich Corporation & Lenga, R. E. (1988). The Sigma-Aldrich library of chemical safety data (Ed. 2.). Sigma-Aldrich Corp..

Chicago Style (17th ed.) Citation

Sigma-Aldrich Corporation and Robert E. Lenga. The Sigma-Aldrich Library of Chemical Safety Data. Ed. 2. [Milwaukee, Wis., USA]: Sigma-Aldrich Corp., 1988.

MLA (9th ed.) Citation

Sigma-Aldrich Corporation and Robert E. Lenga. The Sigma-Aldrich Library of Chemical Safety Data. Ed. 2. Sigma-Aldrich Corp., 1988.