APA (7th ed.) Citation

Newman, J. H. (1955). An essay in aid of a grammar of assent / by Cardinal Newman. Image Books.

Chicago Style (17th ed.) Citation

Newman, John Henry. An Essay in Aid of a Grammar of Assent / by Cardinal Newman. Image Books, 1955.

MLA (9th ed.) Citation

Newman, John Henry. An Essay in Aid of a Grammar of Assent / by Cardinal Newman. Image Books, 1955.

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