MLA

Newman, John Henry, and Charles Frederick Harrold. Sermons and Discourses. New edition New York (N.Y.): Longmans, Green, 1949.

APA

Newman, J. Henry, & Harrold, C. Frederick. (1949). Sermons and discourses. New edition New York (N.Y.): Longmans, Green.

Chicago

Newman, John Henry, Sermons and Discourses. Edited by Charles Frederick Harrold. New edition New York (N.Y.): Longmans, Green, 1949.