Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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