APA (7th ed.) Citation
Gudas, J. P., Joyce, J. A., & Hackett, E. M. (1990). Fracture mechanics: Twenty-first symposium. ASTM.
Chicago Style (17th ed.) Citation
Gudas, J. P., J. A. Joyce, and E. M. Hackett. Fracture Mechanics: Twenty-first Symposium. Philadelphia: ASTM, 1990.
MLA (9th ed.) Citation
Gudas, J. P., et al. Fracture Mechanics: Twenty-first Symposium. ASTM, 1990.
Warning: These citations may not always be 100% accurate.