APA (7th ed.) Citation

Dunham, R. S. (1957). Introduction to agronomy. Dryden Press.

Chicago Style (17th ed.) Citation

Dunham, R. S. Introduction to Agronomy. New York: Dryden Press, 1957.

MLA (9th ed.) Citation

Dunham, R. S. Introduction to Agronomy. Dryden Press, 1957.

Warning: These citations may not always be 100% accurate.