APA引文
Gudas, J., Joyce, J., & Hackett, E. (1990). Fracture mechanics: Twenty- first symposium. ASTM.
芝加哥风格引文
Gudas, J.P, J.A Joyce, 与 E.M Hackett. Fracture Mechanics: Twenty- First Symposium. Philadelphia, United State: ASTM, 1990.
MLA引文
Gudas, J.P, et al. Fracture Mechanics: Twenty- First Symposium. ASTM, 1990.
警告：这些引文格式不一定是100％准确.