Cita APA (7th ed.)

ebrary, Inc, & Nash, L. (2010). Herbert Hoover and world peace. University Press of America, Inc..

Cita Chicago (17th ed.)

ebrary, Inc, i Lee Nash. Herbert Hoover and World Peace. Lanham, MD: University Press of America, Inc., 2010.

Cita MLA (9th ed.)

ebrary, Inc, i Lee Nash. Herbert Hoover and World Peace. University Press of America, Inc., 2010.

Atenció: Aquestes cites poden no estar 100% correctes.