APA

Newman J., . (1930). An essay in aid of a grammar of assent. London: Longamns.

Chicago

Newman John, . 1930. An essay in aid of a grammar of assent. London: Longamns.

Harvard

Newman J., . (1930). An essay in aid of a grammar of assent. London: Longamns.

MLA

Newman John, . An essay in aid of a grammar of assent. London: Longamns. 1930.