APA (7th ed.) Citation

National Bureau of Economic Research & Willcox, W. F. (1969). International migrations. Gordon and Breach.

Chicago Style (17th ed.) Citation

National Bureau of Economic Research and Walter Francis Willcox. International Migrations. New York: Gordon and Breach, 1969.

MLA (9th ed.) Citation

National Bureau of Economic Research and Walter Francis Willcox. International Migrations. Gordon and Breach, 1969.