Cita APA (7th ed.)

SilverPlatter Information, Inc. (1994). PC-SPIRS user's manual: SilverPlatter version 3.3. SilverPlatter Information.

Cita Chicago (17th ed.)

SilverPlatter Information, Inc. PC-SPIRS User's Manual: SilverPlatter Version 3.3. Norwood, Mass: SilverPlatter Information, 1994.

Cita MLA (9th ed.)

SilverPlatter Information, Inc. PC-SPIRS User's Manual: SilverPlatter Version 3.3. SilverPlatter Information, 1994.