The Encyclopaedia Britannica;
... A dictionary of arts, sciences and general literature.
Original ninth edition in twenty-five volumes edited by Spencer Baynes and W. Robertson Smith ... with new American supplement, edited under the personal supervision of Day Otis Kellogg.
APA Citation
Smith, W. Robertson (William Robertson)., Baynes, T. Spencer (Thomas Spencer)., Kellogg, D. O. (Day Otis). (19021893). The Encyclopaedia Britannica: ... A dictionary of arts, sciences and general literature. Twentieth century edition, rev., New York: Werner.
MLA Citation
Smith, W. Robertson (William Robertson), 1846-1894, T. Spencer (Thomas Spencer) Baynes, and D. O. (Day Otis) Kellogg. The Encyclopaedia Britannica: ... A Dictionary of Arts, Sciences And General Literature. Twentieth century edition, rev., New York: Werner, 19021893.
Warning: These citations may not always be complete (especially for serials).