Cita APA (7th ed.)

Guttmann, A. (1963). American neutrality and the Spanish Civil War. Heath.

Cita Chicago (17th ed.)

Guttmann, Allen. American Neutrality and the Spanish Civil War. Boston: Heath, 1963.

Cita MLA (8th ed.)

Guttmann, Allen. American Neutrality and the Spanish Civil War. Heath, 1963.