APA (7th ed.) Citation

Jespersen, O. (1950). Essentials of English grammar (8. impr.). Allen & Unwin.

Chicago Style (17th ed.) Citation

Jespersen, Otto. Essentials of English Grammar. 8. impr. London: Allen & Unwin, 1950.

MLA (9th ed.) Citation

Jespersen, Otto. Essentials of English Grammar. 8. impr. Allen & Unwin, 1950.

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