APA (7th ed.) Citation

Nickel, M. (1990). Smogalarm. Zur Schwefeldioxidmessung in der DDR. Urania-Magazin, 66(4), 28-33.

Chicago Style (17th ed.) Citation

Nickel, Michael. "Smogalarm. Zur Schwefeldioxidmessung in Der DDR." Urania-Magazin 66, no. 4 (1990): 28-33.

MLA (9th ed.) Citation

Nickel, Michael. "Smogalarm. Zur Schwefeldioxidmessung in Der DDR." Urania-Magazin, vol. 66, no. 4, 1990, pp. 28-33.

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