APA Style

Benton, W., Benton, H, H. (1973). Encyclopedia Britannica Macropedia Knowledge in Depth 4 : Ceylon Congreve . Chicago: Encyclopaedia Britannica, Inc.

MLA Style

Benton, William., Benton, Helen, Hemingway. "Encyclopedia Britannica Macropedia Knowledge in Depth 4 : Ceylon Congreve". Chicago: Encyclopaedia Britannica, Inc, 1973. Text.