Cita APA (7a ed.)

Dik, S. C., & Hengevels, K. (1997). The theory of functional grammar. Mouton de Gruyter.

Cita Chicago Style (17a ed.)

Dik, Simon C., y Kees Hengevels. The Theory of Functional Grammar. Berlín [etc.]: Mouton de Gruyter, 1997.

Cita MLA (9a ed.)

Dik, Simon C., y Kees Hengevels. The Theory of Functional Grammar. Mouton de Gruyter, 1997.