APA

Clark Walter Van Tilburg, . (19). The watchful gods and other stories. [S.l: s.n.].

Chicago

Clark Walter Van Tilburg, . 19. The watchful gods and other stories. [S.l: s.n.].

Harvard

Clark Walter Van Tilburg, . (19). The watchful gods and other stories. [S.l: s.n.].

MLA

Clark Walter Van Tilburg, . The watchful gods and other stories. [S.l: s.n.]. 19.