Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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