Cita APA (7a ed.)

Vance, B. S. (1997). Syntactic change in Medieval French: Verb-second and null subjects. Kluwer Academic.

Cita Chicago Style (17a ed.)

Vance, Barbara S. Syntactic Change in Medieval French: Verb-second and Null Subjects. Dordrecht [etc.]: Kluwer Academic, 1997.

Cita MLA (9a ed.)

Vance, Barbara S. Syntactic Change in Medieval French: Verb-second and Null Subjects. Kluwer Academic, 1997.