Cita APA (7th ed.)

Walker, R. C. (1953). Relays for electronic and industrial control. Chapman & Hall.

Cita Chicago (17th ed.)

Walker, R. C. Relays for Electronic and Industrial Control. London: Chapman & Hall, 1953.

Cita MLA (9th ed.)

Walker, R. C. Relays for Electronic and Industrial Control. Chapman & Hall, 1953.