APA (7th ed.) Citation

T, L., E, V., P, P., & ETEO. (1999). Comparing smoking and smoking cessation process in the Republic of Karelia, Russia and North Karelia, Finland.

Chicago Style (17th ed.) Citation

T, Laatikainen, Vartiainen E, Puska P, and ETEO. Comparing Smoking and Smoking Cessation Process in the Republic of Karelia, Russia and North Karelia, Finland. 1999.

MLA (9th ed.) Citation

T, Laatikainen, et al. Comparing Smoking and Smoking Cessation Process in the Republic of Karelia, Russia and North Karelia, Finland. 1999.