APA (7th ed.) Citation

Ahlgren, G. H. (1952). Practical field crop production for the Northeast: An elementary introduction to agronomy ([Rev. ed.].). Rutgers University Press.

Chicago Style (17th ed.) Citation

Ahlgren, Gilbert H. Practical Field Crop Production for the Northeast: An Elementary Introduction to Agronomy. [Rev. ed.]. New Brunswick [N.J.]: Rutgers University Press, 1952.

MLA (9th ed.) Citation

Ahlgren, Gilbert H. Practical Field Crop Production for the Northeast: An Elementary Introduction to Agronomy. [Rev. ed.]. Rutgers University Press, 1952.