Cita APA

Nelson, W. L., & Tisdale, S. L. (1975). Soil fertility and fertilizers (3.). Macmillan publishing co Inc.

Chicago Edition Citation

Nelson, Werner L., i Samuel L. Tisdale. Soil Fertility and Fertilizers. 3. USA: Macmillan publishing co Inc, 1975.

Cita MLA

Nelson, Werner L., i Samuel L. Tisdale. Soil Fertility and Fertilizers. 3. Macmillan publishing co Inc, 1975.