APA (7th ed.) Citation

Ekwall, E. (1975). A history of modern English sounds and morphology. Blackwell.

Chicago Style (17th ed.) Citation

Ekwall, Eilert. A History of Modern English Sounds and Morphology. Oxford: Blackwell, 1975.

MLA (9th ed.) Citation

Ekwall, Eilert. A History of Modern English Sounds and Morphology. Blackwell, 1975.

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