APA (7th ed.) Citation

Johnson, D. G. (1950). Trade and agriculture: A study of inconsistent policies. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Johnson, D. Gale. Trade and Agriculture: A Study of Inconsistent Policies. New York: John Wiley & Sons, 1950.

MLA (9th ed.) Citation

Johnson, D. Gale. Trade and Agriculture: A Study of Inconsistent Policies. John Wiley & Sons, 1950.