APA (7th ed.) Citation

Wilkinson, S. P., Marchello, J. M., & Johnston, N. J. (1993). Composite material impregnation unit. National Aeronautics and Space Administration, Langley Research Center.

Chicago Style (17th ed.) Citation

Wilkinson, S. P., J. M. Marchello, and N. J. Johnston. Composite Material Impregnation Unit. Hampton, Virginia: National Aeronautics and Space Administration, Langley Research Center, 1993.

MLA (9th ed.) Citation

Wilkinson, S. P., et al. Composite Material Impregnation Unit. National Aeronautics and Space Administration, Langley Research Center, 1993.