Dictionary of the British English Spelling System

MLA

Brooks, Greg, and Open Book Publishers. Dictionary of the British English Spelling System. Open Book Publishers, 2015.

APA

Brooks, G., & Open Book Publishers, O. Book Publishers. (2015). Dictionary of the British English Spelling System. Open Book Publishers.

Chicago

Brooks, Greg, and Open Book Publishers. Dictionary of the British English Spelling System. : Open Book Publishers, 2015.