APA

Demmelbauer-Ebner W., Dachs A. & Lenz H. P. (1991). Variable valve actuation systems for the optimization of engine torque. Warrendale, PA: Society of Automotive Engineers.

Chicago

Demmelbauer-Ebner Wolfgang, Dachs Alois and Lenz Hans Peter. 1991. Variable valve actuation systems for the optimization of engine torque. Warrendale, PA: Society of Automotive Engineers.

Harvard

Demmelbauer-Ebner W., Dachs A. and Lenz H. P. (1991). Variable valve actuation systems for the optimization of engine torque. Warrendale, PA: Society of Automotive Engineers.

MLA

Demmelbauer-Ebner Wolfgang, Dachs Alois and Lenz Hans Peter. Variable valve actuation systems for the optimization of engine torque. Warrendale, PA: Society of Automotive Engineers. 1991.