APA (7th ed.) Citation

Hinkle, S. F. (1925). Fertility and crop production: A handbook for the student and farmer. O.S.F. Hinkle.

Chicago Style (17th ed.) Citation

Hinkle, Samuel Frank. Fertility and Crop Production: A Handbook for the Student and Farmer. Sandusky: O.S.F. Hinkle, 1925.

MLA (9th ed.) Citation

Hinkle, Samuel Frank. Fertility and Crop Production: A Handbook for the Student and Farmer. O.S.F. Hinkle, 1925.