Cita APA (7a ed.)

Estados Unidos. Soil Conservation Service. editor. (1972). Soil survey laboratory methods and procedures for collecting soil samples. Soil Conservation Service.

Cita Chicago Style (17a ed.)

Estados Unidos. Soil Conservation Service. editor. Soil Survey Laboratory Methods and Procedures for Collecting Soil Samples. Washington: Soil Conservation Service, 1972.

Cita MLA (9a ed.)

Estados Unidos. Soil Conservation Service. editor. Soil Survey Laboratory Methods and Procedures for Collecting Soil Samples. Soil Conservation Service, 1972.