Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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