APA (7th ed.) Citation

Popelar, C. H., Hahn, G. T., & Kanninen, M. F. (1980). Crack arrest methodology and applications: A symp., U. S. A., 6 - 7 Nov. 1978. American Society for Testing and Materials.

Chicago Style (17th ed.) Citation

Popelar, C. H., G. T. Hahn, and M. F. Kanninen. Crack Arrest Methodology and Applications: A Symp., U. S. A., 6 - 7 Nov. 1978. Philadelphia: American Society for Testing and Materials, 1980.

MLA (9th ed.) Citation

Popelar, C. H., et al. Crack Arrest Methodology and Applications: A Symp., U. S. A., 6 - 7 Nov. 1978. American Society for Testing and Materials, 1980.