APA (7th ed.) Citation

Houlsby, G., Wroth, C., & Eisenstein, Z. (1983). Direct solution of plasticity problems in soils by the method of characteristics. Balkema.

Chicago Style (17th ed.) Citation

Houlsby, G., C. Wroth, and Z. Eisenstein. Direct Solution of Plasticity Problems in Soils by the Method of Characteristics. Balkema, 1983.

MLA (9th ed.) Citation

Houlsby, G., et al. Direct Solution of Plasticity Problems in Soils by the Method of Characteristics. Balkema, 1983.