APA (7th ed.) Citation

Cayard, M. S., Anderson, T. L., Letton, A., & Schapery, R. A. (1990). Fracture toughness characterization of polymers.

Chicago Style (17th ed.) Citation

Cayard, Michael Scott, Ted L. Anderson, Alan Letton, and Richard A. Schapery. Fracture Toughness Characterization of Polymers. 1990.

MLA (9th ed.) Citation

Cayard, Michael Scott, et al. Fracture Toughness Characterization of Polymers. 1990.