Cita APA (7a ed.)

Brown, J. R. (1987). Soil testing: Sampling, correlation, calibration, and interpretation. Soil Science Society of America.

Cita Chicago Style (17a ed.)

Brown, James Richard. Soil Testing: Sampling, Correlation, Calibration, and Interpretation. Madison: Soil Science Society of America, 1987.

Cita MLA (8a ed.)

Brown, James Richard. Soil Testing: Sampling, Correlation, Calibration, and Interpretation. Soil Science Society of America, 1987.