APA (7th ed.) Citation

Anonymous. Radio Shack TRS-80 Expansion Interface: Operator's Manual Catalog Numbers: 26-1140, 26-1141, 26-1142.

Chicago Style (17th ed.) Citation

Anonymous. Radio Shack TRS-80 Expansion Interface: Operator's Manual Catalog Numbers: 26-1140, 26-1141, 26-1142.

MLA (9th ed.) Citation

Anonymous. Radio Shack TRS-80 Expansion Interface: Operator's Manual Catalog Numbers: 26-1140, 26-1141, 26-1142.

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