Citazione Stile APA (7a Edizione)

Knapp-Fisher, H. C., & Beggs-Humphreys, M. E. (1960). The world today (1. ed., reprinted.). Philip.

Citazione stile Chigago Style (17a edizione)

Knapp-Fisher, H. C., e M. E. Beggs-Humphreys. The World Today. 1. ed., reprinted. London: Philip, 1960.

Citatione MLA (9a ed.)

Knapp-Fisher, H. C., e M. E. Beggs-Humphreys. The World Today. 1. ed., reprinted. Philip, 1960.