APA (7th ed.) Citation

Gardner, F., Mitchell, R. L., & Pearce, R. B. Physiology of crop plants (Second edition.).

Chicago Style (17th ed.) Citation

Gardner, Franklin, Roger L. Mitchell, and R. Brent Pearce. Physiology of Crop Plants. Second edition.

MLA (9th ed.) Citation

Gardner, Franklin, et al. Physiology of Crop Plants. Second edition.

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