APA (7th ed.) Citation

Hayes, S. P. (1961). An international peace corps: The promise and problems. Public Affairs Institute.

Chicago Style (17th ed.) Citation

Hayes, Samuel P. An International Peace Corps: The Promise and Problems. Washington: Public Affairs Institute, 1961.

MLA (9th ed.) Citation

Hayes, Samuel P. An International Peace Corps: The Promise and Problems. Public Affairs Institute, 1961.