Style de citation APA (7e éd.)

Groot, H. C. (2011). The peace corps - 50 years later: Some personal reminiscences. Bulletin of the American Historical Collection.

Style de citation Chicago (17e éd.)

Groot, Hans C. "The Peace Corps - 50 Years Later: Some Personal Reminiscences." Bulletin of the American Historical Collection 2011.

Style de citation MLA (9e éd.)

Groot, Hans C. "The Peace Corps - 50 Years Later: Some Personal Reminiscences." Bulletin of the American Historical Collection, 2011.