APA (7th ed.) Citation

CAD-CAM Data Exchange Technical Centre, National Engineering Laboratory (U.S.), & Smith, B. (1988). Initial Graphics Exchange Specification (IGES) version 4.0x / Bradford Smith ... (et al.) ; U.S. Department of Commerce, National Bureau of Standards, National Engineering Laboratory. National Bureau of Standards.

Chicago Style (17th ed.) Citation

CAD-CAM Data Exchange Technical Centre, National Engineering Laboratory (U.S.), and Bradford Smith. Initial Graphics Exchange Specification (IGES) Version 4.0x / Bradford Smith ... (et Al.) ; U.S. Department of Commerce, National Bureau of Standards, National Engineering Laboratory. [Washington DC]: National Bureau of Standards, 1988.

MLA (9th ed.) Citation

CAD-CAM Data Exchange Technical Centre, et al. Initial Graphics Exchange Specification (IGES) Version 4.0x / Bradford Smith ... (et Al.) ; U.S. Department of Commerce, National Bureau of Standards, National Engineering Laboratory. National Bureau of Standards, 1988.

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