APA (7th ed.) Citation

Amos, S. M. S. (1930). The English constitution. Longmans, Green and co.

Chicago Style (17th ed.) Citation

Amos, Sir Maurice Sheldon. The English Constitution. London, New York [etc.]: Longmans, Green and co, 1930.

MLA (9th ed.) Citation

Amos, Sir Maurice Sheldon. The English Constitution. Longmans, Green and co, 1930.