APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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