APA (7th ed.) Citation

Rutherford, W. E. (2011). Whys & therefores: A rational look at the English language. Equinox Pub..

Chicago Style (17th ed.) Citation

Rutherford, William E. Whys & Therefores: A Rational Look at the English Language. London ; Oakville, Conn.: Equinox Pub., 2011.

MLA (9th ed.) Citation

Rutherford, William E. Whys & Therefores: A Rational Look at the English Language. Equinox Pub., 2011.