APA (7th ed.) Citation
Gudas, J., Joyce, J., & Hackett, E. (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, United State: 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.