Cita APA (7a ed.)

Spitzer, D. W. (2012). Variable speed drives: Principles and applications for energy cost savings (4th edition.). Momentum Press.

Cita Chicago Style (17a ed.)

Spitzer, David W. Variable Speed Drives: Principles and Applications for Energy Cost Savings. 4th edition. Highland Park: Momentum Press, 2012.

Cita MLA (8a ed.)

Spitzer, David W. Variable Speed Drives: Principles and Applications for Energy Cost Savings. 4th edition. Momentum Press, 2012.