APA Style

Benton, W., Benton, H, H. (1943). Encyclopaedia Britannica: Ready Reference and Index - I A Bib (15). USA: Encyclopaedia Britannica, Inc.

MLA Style

Benton, William., Benton, Helen, Hemingway. "Encyclopaedia Britannica: Ready Reference and Index - I A Bib". 15 USA: Encyclopaedia Britannica, Inc, 1943. Text.