Citazione Stile APA (7a Edizione)

Knapp-Fisher, H. C., & Beggs-Humphreys, M. E. (1958). The world today. Philip.

Citazione stile Chigago Style (17a edizione)

Knapp-Fisher, H. C., e M. E. Beggs-Humphreys. The World Today. London: Philip, 1958.

Citatione MLA (9a ed.)

Knapp-Fisher, H. C., e M. E. Beggs-Humphreys. The World Today. Philip, 1958.