Cita APA (7a ed.)

Corbett, G. G., Fraser, N. M., & MacGlashan, S. (1993). Heads in grammatical theory. University Press.

Cita Chicago Style (17a ed.)

Corbett, Greville G., Norman M. Fraser, y Scott MacGlashan. Heads in Grammatical Theory. Cambridge [etc.]: University Press, 1993.

Cita MLA (9a ed.)

Corbett, Greville G., et al. Heads in Grammatical Theory. University Press, 1993.