Cita APA (7th ed.)

Seely, S. . .. (1958). Electron -tube circuits (2nd ed.). Mc Graw - Hill.

Cita Chicago (17th ed.)

Seely, Samuel. Electron -tube Circuits. 2nd ed. New York: Mc Graw - Hill, 1958.

Cita MLA (9th ed.)

Seely, Samuel. Electron -tube Circuits. 2nd ed. Mc Graw - Hill, 1958.