Cita APA (7a ed.)

Westphalen, E. C. (1806). Petrarca. [s.n.].

Cita Chicago Style (17a ed.)

Westphalen, Engel Christine. Petrarca. Hamburg: [s.n.], 1806.

Cita MLA (9a ed.)

Westphalen, Engel Christine. Petrarca. [s.n.], 1806.