Citazione Stile APA (7a Edizione)

Franko, E. (1938). An english course for spanish speaking people: Book III and IV (4° ed.). Soc. Imprenta i litografía Universo.

Citazione stile Chigago Style (17a edizione)

Franko, Ektor. An English Course for Spanish Speaking People: Book III and IV. 4° ed. Santiago: Soc. Imprenta i litografía Universo, 1938.

Citatione MLA (9a ed.)

Franko, Ektor. An English Course for Spanish Speaking People: Book III and IV. 4° ed. Soc. Imprenta i litografía Universo, 1938.