APA (7th ed.) Citation

(1992). Open systems handbook: A guide to building open systems. Digital Equipment.

Chicago Style (17th ed.) Citation

Open Systems Handbook: A Guide to Building Open Systems. USA: Digital Equipment, 1992.

MLA (9th ed.) Citation

Open Systems Handbook: A Guide to Building Open Systems. Digital Equipment, 1992.

Warning: These citations may not always be 100% accurate.