APA (7th ed.) Citation

Sumner, M. E. (1986). Diagnosis and Recommendation Integrated System, DRIS, as a guide to orchard fertilization. ASPAC Food & Fertilizer Technology Center.

Chicago Style (17th ed.) Citation

Sumner, Malcolm E. Diagnosis and Recommendation Integrated System, DRIS, as a Guide to Orchard Fertilization. Taipei City: ASPAC Food & Fertilizer Technology Center, 1986.

MLA (9th ed.) Citation

Sumner, Malcolm E. Diagnosis and Recommendation Integrated System, DRIS, as a Guide to Orchard Fertilization. ASPAC Food & Fertilizer Technology Center, 1986.