Cita APA (7th ed.)

JESPERSEN, O. (1965). A modern english grammar: On historical principles. Allen & Unwin.

Cita Chicago (17th ed.)

JESPERSEN, Otto. A Modern English Grammar: On Historical Principles. London: Allen & Unwin, 1965.

Cita MLA (9th ed.)

JESPERSEN, Otto. A Modern English Grammar: On Historical Principles. Allen & Unwin, 1965.