To find books about an author or volumes of critical essays on literature use cataLION.
To find books written by, for example, William Shakespeare, do an author search: "Shakespeare"
To find books about William Shakespeare, do a subject search: "Shakespeare"
To find books containing literary criticism, do a keyword search: "Shakespeare" and "criticism or influence" or interpretation
Kelson, John. “Allegory and Myth in ‘The Cherry Orchard’,” Western Humanities Review 13, No. 3 (Summer 1959): 321-24.; excerpted and reprinted in Twentieth-Century Literary Criticism, vol. 55, ed. Marie Lazzari (Detroit: The Gale Group, 2001). 42-44.
Notice that the original critical essay written by John Kelson on Anton Chekhov’s play, “The Cherry Orchard” appeared in Western Humanities Review in 1959. However, since you did not have the original essay, but rather read part of the essay in Twentieth-Century Literary Criticism, you must include that information in your citation.
An online collection of literary criticism from 1973 to the present. This resource is the electronic version of Gale's Contemporary Literary Criticism
Literature - Criticism