APA (7th ed.) Citation

Alperowicz, N. (1997). Degussa's turning point. Chemical Week, 159(35), 26.

Chicago Style (17th ed.) Citation

Alperowicz, Natasha. "Degussa's Turning Point." Chemical Week 159, no. 35 (1997): 26.

MLA (9th ed.) Citation

Alperowicz, Natasha. "Degussa's Turning Point." Chemical Week, vol. 159, no. 35, 1997, p. 26.