National Symposium on Fracture Mechanics. Bethlehem, Pa., American Society for Testing and Materials, ASTM Committee E-24 on Fracture Testing, Wei, R. P., & Gangloff, R. P. (1989). Fracture mechanics perspectives and directions (twentieth symposium) / Robert P. Wei and Richard P. Gangloff, editors: Perspectives and directions (twentieth symposium). American Society for Testing and Materials.
Chicago Style (17th ed.) CitationNational Symposium on Fracture Mechanics. Bethlehem, Pa., American Society for Testing and Materials, ASTM Committee E-24 on Fracture Testing, Robert Peh-ying Wei, and R. P. Gangloff. Fracture Mechanics Perspectives and Directions (twentieth Symposium) / Robert P. Wei and Richard P. Gangloff, Editors: Perspectives and Directions (twentieth Symposium). Philadelphia, Pa.: American Society for Testing and Materials, 1989.
MLA (9th ed.) CitationNational Symposium on Fracture Mechanics. Bethlehem, Pa., et al. Fracture Mechanics Perspectives and Directions (twentieth Symposium) / Robert P. Wei and Richard P. Gangloff, Editors: Perspectives and Directions (twentieth Symposium). American Society for Testing and Materials, 1989.