Cita APA (7a ed.)

Rachewiltz, I. d. 1. a. (1971). Papal envoys to the great Khans (First published 1971.). Faber & Faber.

Cita Chicago Style (17a ed.)

Rachewiltz, Igor de 1929-2016 autor. Papal Envoys to the Great Khans. First published 1971. London: Faber & Faber, 1971.

Cita MLA (9a ed.)

Rachewiltz, Igor de 1929-2016 autor. Papal Envoys to the Great Khans. First published 1971. Faber & Faber, 1971.