APA (7th ed.) Citation

Heldenfels, R. R., Zender, G. W., & Libove, C. (1950). Stress and distortion analysis of a swept box beam having bulkheads perpendicular to the spars. National Advisory Committee for Aeronautics.

Chicago Style (17th ed.) Citation

Heldenfels, Richard R., George W. Zender, and Charles Libove. Stress and Distortion Analysis of a Swept Box Beam Having Bulkheads Perpendicular to the Spars. Washington, D.C.: National Advisory Committee for Aeronautics, 1950.

MLA (9th ed.) Citation

Heldenfels, Richard R., et al. Stress and Distortion Analysis of a Swept Box Beam Having Bulkheads Perpendicular to the Spars. National Advisory Committee for Aeronautics, 1950.