APA (7th ed.) Citation

Harwell, K. E., Chao, C. C., & Shahrokhi, F. (1988). Commercial Opportunities in Space. American Institute of Aeronautics and Astronautics. https://doi.org/10.2514/4.865855

Chicago Style (17th ed.) Citation

Harwell, K. E., C. C. Chao, and F. Shahrokhi. Commercial Opportunities in Space. Washington DC: American Institute of Aeronautics and Astronautics, 1988. https://doi.org/10.2514/4.865855.

MLA (9th ed.) Citation

Harwell, K. E., et al. Commercial Opportunities in Space. American Institute of Aeronautics and Astronautics, 1988. https://doi.org/10.2514/4.865855.