Cite
ZIP3D: An elastic and elastic-plastic finite-element analysis program for cracked bodies
MLA
Shivakumar, K. N., and J. C. Newman Jr. ZIP3D: An Elastic and Elastic-Plastic Finite-Element Analysis Program for Cracked Bodies. Nov. 1990. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsnas&AN=edsnas.19910002803&authtype=sso&custid=ns315887.
APA
Shivakumar, K. N., & Newman, J. C., Jr. (1990). ZIP3D: An elastic and elastic-plastic finite-element analysis program for cracked bodies.
Chicago
Shivakumar, K. N, and J. C. Newman Jr. 1990. “ZIP3D: An Elastic and Elastic-Plastic Finite-Element Analysis Program for Cracked Bodies,” November. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsnas&AN=edsnas.19910002803&authtype=sso&custid=ns315887.