Cita APA (7a ed.)

Smith, C. F. (1909). Practical alternating currents and alternating current testing (7th ed.). Scientific Publishing Company.

Cita Chicago Style (17a ed.)

Smith, Charles Frederick. Practical Alternating Currents and Alternating Current Testing. 7th ed. Manchester: Scientific Publishing Company, 1909.

Cita MLA (9a ed.)

Smith, Charles Frederick. Practical Alternating Currents and Alternating Current Testing. 7th ed. Scientific Publishing Company, 1909.