Citazione APA

Ertl, G., & Knozinger, H. W. (1999). Environmenal catalysis. Wiley-VCH.

Stile di citazione Chicago

Ertl, G., e H Weitkamp Knozinger. Environmenal Catalysis. Weinheim: Wiley-VCH, 1999.

Citazione MLA

Ertl, G., e H Weitkamp Knozinger. Environmenal Catalysis. Wiley-VCH, 1999.