(1908). The rule of four: How boys and girls can develop into full-rounded men and women. [Philadelphia.
Chicago Style CitationThe Rule of Four: How Boys and Girls Can Develop Into Full-rounded Men and Women. [Philadelphia, 1908.
MLA CitationThe Rule of Four: How Boys and Girls Can Develop Into Full-rounded Men and Women. [Philadelphia, 1908.
Warning: These citations may not always be 100% accurate.