Cita APA (7th ed.)

Allerton, D. J. (1979). Essentials of gramatical theory: A consensus view of syntax and morpology. Routledge and Kegan Paul.

Cita Chicago (17th ed.)

Allerton, D. J. Essentials of Gramatical Theory: A Consensus View of Syntax and Morpology. London: Routledge and Kegan Paul, 1979.

Cita MLA (9th ed.)

Allerton, D. J. Essentials of Gramatical Theory: A Consensus View of Syntax and Morpology. Routledge and Kegan Paul, 1979.