Παραπομπή APA

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

Παραπομπή Chicago Style

Tisdale, Samuel, και Werner L. Nelson. Soil Fertility and Fertilizers. New York: Macmillan publishing, 1975.

Παραπομπή MLA

Tisdale, Samuel, και Werner L. Nelson. Soil Fertility and Fertilizers. Macmillan publishing, 1975.