APA (7th ed.) Citation

Delorit, R. J., & Ahlgren, H. L. (1959). Crop production (2. ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Delorit, Richard J., and Henry L. Ahlgren. Crop Production. 2. ed. Englewood Cliffs, N. J: Prentice-Hall, 1959.

MLA (9th ed.) Citation

Delorit, Richard J., and Henry L. Ahlgren. Crop Production. 2. ed. Prentice-Hall, 1959.