Cita APA

Nelson, W. L., & Tisdale, S. L. (1956). Soil fertility and fertilizers. Mac Millan Company.

Chicago Edition Citation

Nelson, Werner L., i Samuel L. Tisdale. Soil Fertility and Fertilizers. London: Mac Millan Company, 1956.

Cita MLA

Nelson, Werner L., i Samuel L. Tisdale. Soil Fertility and Fertilizers. Mac Millan Company, 1956.