Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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