APA (7th ed.) Citation

MacFadden, B. A. 1. (1930). Strengthening the eyes; a system of scientific eye training. MacFadden book company.

Chicago Style (17th ed.) Citation

MacFadden, Bernarr Adolphus 1868. Strengthening the Eyes; a System of Scientific Eye Training. New York: MacFadden book company, 1930.

MLA (9th ed.) Citation

MacFadden, Bernarr Adolphus 1868. Strengthening the Eyes; a System of Scientific Eye Training. MacFadden book company, 1930.

Warning: These citations may not always be 100% accurate.