APA (7th ed.) Citation

Ketton-Cremer, R. W. Thomas Gray : a biography / by R.W. Ketton-Cremer: A biography.

Chicago Style (17th ed.) Citation

Ketton-Cremer, R. W. Thomas Gray : A Biography / by R.W. Ketton-Cremer: A Biography.

MLA (9th ed.) Citation

Ketton-Cremer, R. W. Thomas Gray : A Biography / by R.W. Ketton-Cremer: A Biography.

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