APA (7th ed.) Citation

Jespersen O. (1965). A modern english grammar: On historical principles. George Allen & Unwin LTD.

Chicago Style (17th ed.) Citation

Jespersen O. A Modern English Grammar: On Historical Principles. London: George Allen & Unwin LTD, 1965.

MLA (8th ed.) Citation

Jespersen O. A Modern English Grammar: On Historical Principles. George Allen & Unwin LTD, 1965.

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