Cita APA (7th ed.)

Black, C. A., Evans, D. D., Ensminger, L. E., White, J. L., & Clark, F. E. (1965). Methods of soil analysis. American Society of Agronomy.

Cita Chicago (17th ed.)

Black, C. A., D. D. Evans, L. E. Ensminger, J. L. White, i F. E. Clark. Methods of Soil Analysis. Madison: American Society of Agronomy, 1965.

Cita MLA (9th ed.)

Black, C. A., et al. Methods of Soil Analysis. American Society of Agronomy, 1965.