APA Edition Citation

Jespersen, O. (1940). A modern English grammar on historical principles. Allen & Unwin.

Chicago Edition Citation

Jespersen, Otto. A Modern English Grammar on Historical Principles. London: Allen & Unwin, 1940.

MLA Edition Citation

Jespersen, Otto. A Modern English Grammar on Historical Principles. Allen & Unwin, 1940.

Warning: These citations may not always be 100% accurate.