APA (7th ed.) Citation

Network Technical Architecture Group. (1978). Message delivery system for the National Library and Infromation Service Network: General requirements. Library of Congress.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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