APA

Allison L. E., Richards L. A., Salinity Laboratory (U.S.) & United States. Agricultural Research Service. Soil and Water Conservation Branch. (1969). Diagnosis and improvement of saline and alkali soils. [Washington, DC]: Soil and Water Conservative Research Branch, Agricultural Research Service, U.S. Dept. of Agriculture.

Chicago

Allison L E, Richards L A, Salinity Laboratory (U.S.) and United States. Agricultural Research Service. Soil and Water Conservation Branch. 1969. Diagnosis and improvement of saline and alkali soils. [Washington, DC]: Soil and Water Conservative Research Branch, Agricultural Research Service, U.S. Dept. of Agriculture.

Harvard

Allison L. E., Richards L. A., Salinity Laboratory (U.S.) and United States. Agricultural Research Service. Soil and Water Conservation Branch. (1969). Diagnosis and improvement of saline and alkali soils. [Washington, DC]: Soil and Water Conservative Research Branch, Agricultural Research Service, U.S. Dept. of Agriculture.

MLA

Allison L E, Richards L A, Salinity Laboratory (U.S.) and United States. Agricultural Research Service. Soil and Water Conservation Branch. Diagnosis and improvement of saline and alkali soils. [Washington, DC]: Soil and Water Conservative Research Branch, Agricultural Research Service, U.S. Dept. of Agriculture. 1969.