APA aipamena

del Vayo, J. A. (1950). The Last Optimist. London: Putnam.

Chicago Style aipamena

del Vayo, J. Alvarez. The Last Optimist. London: Putnam, 1950.

MLA aipamena

del Vayo, J. Alvarez. The Last Optimist. London: Putnam, 1950.