APA (7th ed.) Citation

Westervelt, R. (2007). Degussa. Chemical Week, 169(27), 19.

Chicago Style (17th ed.) Citation

Westervelt, Robert. "Degussa." Chemical Week 169, no. 27 (2007): 19.

MLA (9th ed.) Citation

Westervelt, Robert. "Degussa." Chemical Week, vol. 169, no. 27, 2007, p. 19.

Warning: These citations may not always be 100% accurate.