APA (7th ed.) Citation

Gooch, G. P. (1947). Frederick the Great: The ruler, the writer, the man. Longmans.

Chicago Style (17th ed.) Citation

Gooch, George P. Frederick the Great: The Ruler, the Writer, the Man. London [u.a.]: Longmans, 1947.

MLA (8th ed.) Citation

Gooch, George P. Frederick the Great: The Ruler, the Writer, the Man. Longmans, 1947.