APA (7th ed.) Citation

Metcalfe, D. S., & Elkins, D. M. (1980). Crop production: Principles and practices (4th ed.). Macmillan.

Chicago Style (17th ed.) Citation

Metcalfe, Darrel S., and Donald M. Elkins. Crop Production: Principles and Practices. 4th ed. New York: Macmillan, 1980.

MLA (9th ed.) Citation

Metcalfe, Darrel S., and Donald M. Elkins. Crop Production: Principles and Practices. 4th ed. Macmillan, 1980.

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