APA (7th ed.) Citation

Hunger Signs in Crops a Symposium & Barber, S. A. (1964). Hunger signs in crops: A symposium (3rd ed.). David McKay.

Chicago Style (17th ed.) Citation

Hunger Signs in Crops a Symposium and S. A. Barber. Hunger Signs in Crops: A Symposium. 3rd ed. New York: David McKay, 1964.

MLA (9th ed.) Citation

Hunger Signs in Crops a Symposium and S. A. Barber. Hunger Signs in Crops: A Symposium. 3rd ed. David McKay, 1964.

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