APA (7th ed.) Citation

Alperowicz, N. (2001). Degussa Debuts. Chemical Week, 163(14), 22.

Chicago Style (17th ed.) Citation

Alperowicz, Natasha. "Degussa Debuts." Chemical Week 163, no. 14 (2001): 22.

MLA (9th ed.) Citation

Alperowicz, Natasha. "Degussa Debuts." Chemical Week, vol. 163, no. 14, 2001, p. 22.