APA (7th ed.) Citation

American Society of Agronomy, Sprague, H. B., & Barber, S. A. (1964). Hunger signs in crops: A symposium (3d ed.].). McKay.

Chicago Style (17th ed.) Citation

American Society of Agronomy, Howard Bennett Sprague, and Stanley Arthur Barber. Hunger Signs in Crops: A Symposium. 3d ed.]. New York: McKay, 1964.

MLA (9th ed.) Citation

American Society of Agronomy, et al. Hunger Signs in Crops: A Symposium. 3d ed.]. McKay, 1964.