APA (7th ed.) Citation

Portanova, M. A., Poe, C. C., & Whitcomb, J. D. (1990). Open hole and post-impact compression fatigue of stitched and unstitched carbon/epoxy composites. National Aeronautics and Space Administration, Langley Research Center.

Chicago Style (17th ed.) Citation

Portanova, M. A., C. C. Poe, and J. D. Whitcomb. Open Hole and Post-impact Compression Fatigue of Stitched and Unstitched Carbon/epoxy Composites. Hampton, Va.: National Aeronautics and Space Administration, Langley Research Center, 1990.

MLA (9th ed.) Citation

Portanova, M. A., et al. Open Hole and Post-impact Compression Fatigue of Stitched and Unstitched Carbon/epoxy Composites. National Aeronautics and Space Administration, Langley Research Center, 1990.