Cita APA (7a ed.)

Cooper, W. D., & Helfrick, A. D. (1970). Electronic instrumentation and measurement techniques (3rd ed.). Prentice Hall International.

Cita Chicago Style (17a ed.)

Cooper, William David, y Albert D. Helfrick. Electronic Instrumentation and Measurement Techniques. 3rd ed. Englewood Cliffs, NJ: Prentice Hall International, 1970.

Cita MLA (9a ed.)

Cooper, William David, y Albert D. Helfrick. Electronic Instrumentation and Measurement Techniques. 3rd ed. Prentice Hall International, 1970.