APA (7th ed.) Citation

Freeman, O. L. (1968). Worl without hunger (2. print.). Praeger.

Chicago Style (17th ed.) Citation

Freeman, Orville L. Worl Without Hunger. 2. print. New York [u.a.]: Praeger, 1968.

MLA (9th ed.) Citation

Freeman, Orville L. Worl Without Hunger. 2. print. Praeger, 1968.