Cita APA (7a ed.)

Walsh, L., & Beaton, J. (1973). Soil testing and plant analysis. Soil Science Society of América.

Cita Chicago Style (17a ed.)

Walsh, Leo, y James Beaton. Soil Testing and Plant Analysis. Madison, Wisconsin: Soil Science Society of América, 1973.

Cita MLA (8a ed.)

Walsh, Leo, y James Beaton. Soil Testing and Plant Analysis. Soil Science Society of América, 1973.