Cita APA (7a ed.)

Irving, G. C. J., & McLaughlin, M. A rapid and simple field test for phosphorus in Olsen and Bray no. 1 extracts of soil.

Cita Chicago Style (17a ed.)

Irving, G. C. J., y M. McLaughlin. A Rapid and Simple Field Test for Phosphorus in Olsen and Bray No. 1 Extracts of Soil.

Cita MLA (8a ed.)

Irving, G. C. J., y M. McLaughlin. A Rapid and Simple Field Test for Phosphorus in Olsen and Bray No. 1 Extracts of Soil.