Cita APA

Nelson, W. L., & Tisdale, S. L. (1966). Soil fertility and fertilizers (2.). Mac Millan Company.

Chicago Edition Citation

Nelson, Werner L., i Samuel L. Tisdale. Soil Fertility and Fertilizers. 2. London: Mac Millan Company, 1966.

Cita MLA

Nelson, Werner L., i Samuel L. Tisdale. Soil Fertility and Fertilizers. 2. Mac Millan Company, 1966.