APA (7th ed.) Citation

Roberts, I. P. (1897). The fertility of the land: A summary sketch of the relationship of farm-practice to the maintaining and increasing of the productivity of the soil. Macmillan.

Chicago Style (17th ed.) Citation

Roberts, Isaac Phillips. The Fertility of the Land: A Summary Sketch of the Relationship of Farm-practice to the Maintaining and Increasing of the Productivity of the Soil. New York: Macmillan, 1897.

MLA (9th ed.) Citation

Roberts, Isaac Phillips. The Fertility of the Land: A Summary Sketch of the Relationship of Farm-practice to the Maintaining and Increasing of the Productivity of the Soil. Macmillan, 1897.