APA (7th ed.) Citation

Upward, C., & Davidson, G. (2011). The history of English spelling. Wiley-Blackwell.

Chicago Style (17th ed.) Citation

Upward, Christopher, and George Davidson. The History of English Spelling. Malden, Mass: Wiley-Blackwell, 2011.

MLA (9th ed.) Citation

Upward, Christopher, and George Davidson. The History of English Spelling. Wiley-Blackwell, 2011.

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