APA (7th ed.) Citation

Helm, P. J. (1963). Alfred the Great. Hale.

Chicago Style (17th ed.) Citation

Helm, Peter J. Alfred the Great. London: Hale, 1963.

MLA (9th ed.) Citation

Helm, Peter J. Alfred the Great. Hale, 1963.

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