Cita APA (7a ed.)

Houlsby, G., Wroth, C., & Verruijt, A. (1982). Determination of undrained strengths by cone penetration tests. Balkema.

Cita Chicago Style (17a ed.)

Houlsby, G., C. Wroth, y A. Verruijt. Determination of Undrained Strengths by Cone Penetration Tests. Balkema, 1982.

Cita MLA (9a ed.)

Houlsby, G., et al. Determination of Undrained Strengths by Cone Penetration Tests. Balkema, 1982.