APA (7th ed.) Citation

Alperowicz, N. (2005). Degussa's Transformation. Chemical Week, 167(25), 17.

Chicago Style (17th ed.) Citation

Alperowicz, Natasha. "Degussa's Transformation." Chemical Week 167, no. 25 (2005): 17.

MLA (9th ed.) Citation

Alperowicz, Natasha. "Degussa's Transformation." Chemical Week, vol. 167, no. 25, 2005, p. 17.