Cita APA

Humble, C., Croft, J., Gerber, A., Casper, M., Hames, C. G., & Tyroler, H. A. (1990). Passive smoking and 20-year cardiovascular disease mortality among nonsmoking wives, Evans County, Georgia.

Chicago Style Citation

Humble, C., J. Croft, A. Gerber, M. Casper, C G. Hames, i H A. Tyroler. Passive Smoking and 20-year Cardiovascular Disease Mortality Among Nonsmoking Wives, Evans County, Georgia. 1990.

Cita MLA

Humble, C., et al. Passive Smoking and 20-year Cardiovascular Disease Mortality Among Nonsmoking Wives, Evans County, Georgia. 1990.