APA (7th ed.) Citation

Deng, X., & Newman, J. C. (1997). ZIP2DL, an elastic-plastic, large-rotation finite-element stress analysis and crack-growth simulation program. National Aeronautics and Space Administration, Langley Research Center.

Chicago Style (17th ed.) Citation

Deng, Xiaomin, and J. C. Newman. ZIP2DL, an Elastic-plastic, Large-rotation Finite-element Stress Analysis and Crack-growth Simulation Program. Hampton, Virginia: National Aeronautics and Space Administration, Langley Research Center, 1997.

MLA (9th ed.) Citation

Deng, Xiaomin, and J. C. Newman. ZIP2DL, an Elastic-plastic, Large-rotation Finite-element Stress Analysis and Crack-growth Simulation Program. National Aeronautics and Space Administration, Langley Research Center, 1997.