Cita APA (7a ed.)

Hewlett-Packard. (1970). DC power supply handbook.

Cita Chicago Style (17a ed.)

Hewlett-Packard. DC Power Supply Handbook. Palo Alto, CA : Hewlett-Packard, 1970.

Cita MLA (9a ed.)

Hewlett-Packard. DC Power Supply Handbook. 1970.