Cita APA (7a ed.)

Beitman, M. N. Most often needed 1939 radio diagrams and servicing information.

Cita Chicago Style (17a ed.)

Beitman, M. N. Most Often Needed 1939 Radio Diagrams and Servicing Information.

Cita MLA (8a ed.)

Beitman, M. N. Most Often Needed 1939 Radio Diagrams and Servicing Information.