APA (7th ed.) Citation

Dale, L. (1902). The principles of English constitutional history. Longmans, Green.

Chicago Style (17th ed.) Citation

Dale, Lucy. The Principles of English Constitutional History. London, New York, Bombay: Longmans, Green, 1902.

MLA (9th ed.) Citation

Dale, Lucy. The Principles of English Constitutional History. Longmans, Green, 1902.