Cita APA (7a ed.)

Contarini, G., & Hanbridge, P. (2008). Letters. [s.n.].

Cita Chicago Style (17a ed.)

Contarini, Gaspare, y Paul Hanbridge. Letters. [s.l.]: [s.n.], 2008.

Cita MLA (9a ed.)

Contarini, Gaspare, y Paul Hanbridge. Letters. [s.n.], 2008.