Cita APA

Alba, V., & Duff, C. (1948). Sleepless Spain. Cobbett.

Citación estilo Chicago

Alba, Victor, y Charles Duff. Sleepless Spain. London: Cobbett, 1948.

Cita MLA

Alba, Victor, y Charles Duff. Sleepless Spain. Cobbett, 1948.