Cita APA (7a ed.)

Jespersen, O., & Haislund, N. (1970). A modern English grammar on historical principles ([Repr., 1970].). George Allen & Unwin [etc.].

Cita Chicago Style (17a ed.)

Jespersen, Otto, y Niels Haislund. A Modern English Grammar on Historical Principles. [Repr., 1970]. London [etc.]: George Allen & Unwin [etc.], 1970.

Cita MLA (9a ed.)

Jespersen, Otto, y Niels Haislund. A Modern English Grammar on Historical Principles. [Repr., 1970]. George Allen & Unwin [etc.], 1970.