Cita APA (7th ed.)

Tregenza, G. A. (1973). Bibliography of cracking clay soils. Soil Conservation Service, Dept. of Conservation.

Cita Chicago (17th ed.)

Tregenza, G. A. Bibliography of Cracking Clay Soils. [Sydney]: Soil Conservation Service, Dept. of Conservation, 1973.

Cita MLA (8th ed.)

Tregenza, G. A. Bibliography of Cracking Clay Soils. Soil Conservation Service, Dept. of Conservation, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.