APA
Schafer F, Van Basshuysen R, . (1995). Reduced Emissions and Fuel Consumption in Automobile Engines. USA: SAE.
Chicago
Schafer F, Van Basshuysen R, . 1995. Reduced Emissions and Fuel Consumption in Automobile Engines. USA: SAE.
Harvard
Schafer F, Van Basshuysen R, . (1995). Reduced Emissions and Fuel Consumption in Automobile Engines. USA: SAE.
MLA
Schafer F, Van Basshuysen R, . Reduced Emissions and Fuel Consumption in Automobile Engines. USA: SAE. 1995.