Cita APA (7a ed.)

Piccolomini, A. S., Gragg, F. A., & Gabel, L. C. (1988). Secret memoirs of a renaissance (3a.ed.). The folio society.

Cita Chicago Style (17a ed.)

Piccolomini, Aeneas Sylvius, Florence A. Gragg, y Leona C. Gabel. Secret Memoirs of a Renaissance. 3a.ed. London: The folio society, 1988.

Cita MLA (8a ed.)

Piccolomini, Aeneas Sylvius, et al. Secret Memoirs of a Renaissance. 3a.ed. The folio society, 1988.