Cita APA (7a ed.)

Gardner, F. P., Pearce, R. B., & Mitchell, R. L. (1990). Physiology of crop plants. Iowa State University Press.

Cita Chicago Style (17a ed.)

Gardner, Franklin P., Robert Brent Pearce, y Roger L. Mitchell. Physiology of Crop Plants. Iowa: Iowa State University Press, 1990.

Cita MLA (8a ed.)

Gardner, Franklin P., et al. Physiology of Crop Plants. Iowa State University Press, 1990.