APA (7th ed.) Citation

Staeck, K., Staeck, K., & Steidl, G. (1970). 20 Filter Top Choice Cigarettes. Nikotinarm im Rauch.

Chicago Style (17th ed.) Citation

Staeck, Klaus, Klaus Staeck, and Göttingen Steidl. 20 Filter Top Choice Cigarettes. Nikotinarm Im Rauch. 1970.

MLA (8th ed.) Citation

Staeck, Klaus, et al. 20 Filter Top Choice Cigarettes. Nikotinarm Im Rauch. 1970.