APA (7th ed.) Citation

Newman, J. H. (1939). An essay in aid of a grammar of assent. Longmans, Green.

Chicago Style (17th ed.) Citation

Newman, John Henry. An Essay in Aid of a Grammar of Assent. London: Longmans, Green, 1939.

MLA (8th ed.) Citation

Newman, John Henry. An Essay in Aid of a Grammar of Assent. Longmans, Green, 1939.

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