APA (7th ed.) Citation

Keithley. (1992). Low level measurements (4a ed.). [s.n.].

Chicago Style (17th ed.) Citation

Keithley. Low Level Measurements. 4a ed. Alemania: [s.n.], 1992.

MLA (9th ed.) Citation

Keithley. Low Level Measurements. 4a ed. [s.n.], 1992.