Richards, E. H. (2010). Euthenics, the science of controllable environment A plea for better living conditions as a first step toward higher human efficiency. Project Gutenberg.
Chicago Style (17th ed.) CitationRichards, Ellen H. Euthenics, the Science of Controllable Environment A Plea for Better Living Conditions as a First Step Toward Higher Human Efficiency. Project Gutenberg, 2010.
MLA (9th ed.) CitationRichards, Ellen H. Euthenics, the Science of Controllable Environment A Plea for Better Living Conditions as a First Step Toward Higher Human Efficiency. Project Gutenberg, 2010.
Warning: These citations may not always be 100% accurate.