APA (7th ed.) Citation

Operations Research Incorporated, Lewis Research Center, & Davidson, J. (1984). Spectrum orbit utilization program technical manual: SOUP5 version 3.8. ORI.

Chicago Style (17th ed.) Citation

Operations Research Incorporated, Lewis Research Center, and J. Davidson. Spectrum Orbit Utilization Program Technical Manual: SOUP5 Version 3.8. Silver Spring, Md.: ORI, 1984.

MLA (9th ed.) Citation

Operations Research Incorporated, et al. Spectrum Orbit Utilization Program Technical Manual: SOUP5 Version 3.8. ORI, 1984.