Cita APA (7a ed.)

Krug, M. G. (2000). Emerging English modals: A corpus-based study of grammaticalization. Mouton de Gruyter.

Cita Chicago Style (17a ed.)

Krug, Manfred G. Emerging English Modals: A Corpus-based Study of Grammaticalization. Berlin ; New York: Mouton de Gruyter, 2000.

Cita MLA (8a ed.)

Krug, Manfred G. Emerging English Modals: A Corpus-based Study of Grammaticalization. Mouton de Gruyter, 2000.