Citazione Stile APA (7a Edizione)

Costa, H. d. l. (1965). The background of nationalism and other essays. Solidaridad Pub. House.

Citazione stile Chigago Style (17a edizione)

Costa, Horacio de la. The Background of Nationalism and Other Essays. Manila: Solidaridad Pub. House, 1965.

Citatione MLA (9a ed.)

Costa, Horacio de la. The Background of Nationalism and Other Essays. Solidaridad Pub. House, 1965.