Cita APA (7th ed.)

Network Technical Architecture Group. (1978). Message delivery system for national library and information service network: General requirements. Library of Congress.

Cita Chicago (17th ed.)

Network Technical Architecture Group. Message Delivery System for National Library and Information Service Network: General Requirements. Washington: Library of Congress, 1978.

Cita MLA (9th ed.)

Network Technical Architecture Group. Message Delivery System for National Library and Information Service Network: General Requirements. Library of Congress, 1978.