APA-referens (7:e uppl.)

Orton, R. M. (1940). Catalog of reprints in series. H.W. Wilson Co..

Chicago-referens (17:e uppl.)

Orton, Robert Merritt. Catalog of Reprints in Series. New York, N.Y.: H.W. Wilson Co., 1940.

MLA-referens (8:e uppl.)

Orton, Robert Merritt. Catalog of Reprints in Series. H.W. Wilson Co., 1940.