Cita APA (7th ed.)

Acarnley, P. P. (2002). Stepping motors: A guide to theory and practice (4th edition.). Institution of Engineering and Technology. https://doi.org/10.1049/PBCE063E

Cita Chicago (17th ed.)

Acarnley, P. P. Stepping Motors: A Guide to Theory and Practice. 4th edition. London, United Kingdom: Institution of Engineering and Technology, 2002. https://doi.org/10.1049/PBCE063E.

Cita MLA (9th ed.)

Acarnley, P. P. Stepping Motors: A Guide to Theory and Practice. 4th edition. Institution of Engineering and Technology, 2002. https://doi.org/10.1049/PBCE063E.