Cita APA (7th ed.)

Karol, R. H. (1955). Engineering properties of soils. Prentice-Hall.

Cita Chicago (17th ed.)

Karol, Reuben Hirsh. Engineering Properties of Soils. New york: Prentice-Hall, 1955.

Cita MLA (9th ed.)

Karol, Reuben Hirsh. Engineering Properties of Soils. Prentice-Hall, 1955.