Cita APA

Russell, M. A., Wilson, C., Patel, U. A., Feyerabend, C., & Cole, P. V. (1975). Plasma nicotine levels after smoking cigarettes with high, medium, and low nicotine yields.

Chicago Style Citation

Russell, M A., C. Wilson, U A. Patel, C. Feyerabend, i P V. Cole. Plasma Nicotine Levels After Smoking Cigarettes With High, Medium, and Low Nicotine Yields. 1975.

Cita MLA

Russell, M A., et al. Plasma Nicotine Levels After Smoking Cigarettes With High, Medium, and Low Nicotine Yields. 1975.