APA (7th ed.) Citation

Malvar, L., & Warren, G. (1990). Mixed mode crack propagation in concrete. [publisher not identified].

Chicago Style (17th ed.) Citation

Malvar, L.J, and G.E Warren. Mixed Mode Crack Propagation in Concrete. [Place of publication not identified]: [publisher not identified], 1990.

MLA (9th ed.) Citation

Malvar, L.J, and G.E Warren. Mixed Mode Crack Propagation in Concrete. [publisher not identified], 1990.