APA (7th ed.) Citation

Structural Research and Analysis Corporation. (1990). Geostar user guide (2nd ed. (version 1.6).). Structural Research and Analysis Corporation.

Chicago Style (17th ed.) Citation

Structural Research and Analysis Corporation. Geostar User Guide. 2nd ed. (version 1.6). Santa Monica, Calif.: Structural Research and Analysis Corporation, 1990.

MLA (8th ed.) Citation

Structural Research and Analysis Corporation. Geostar User Guide. 2nd ed. (version 1.6). Structural Research and Analysis Corporation, 1990.