Cita APA (7a ed.)

Humphreys, R. A. (1980). Colloquial French. Routledge & K. Paul.

Cita Chicago Style (17a ed.)

Humphreys, Robert A. Colloquial French. London: Routledge & K. Paul, 1980.

Cita MLA (9a ed.)

Humphreys, Robert A. Colloquial French. Routledge & K. Paul, 1980.