APA (7th ed.) Citation

Fisher, I. (1921). How to live: Rules for healthful living based on modern science. Authorized by and prepared in collaboration with the Hygiene Reference Board of the Life Extension Institute, Inc. By Irving Fisher and Eugene Lyman Fisk (15. edition completely revised enlarged and reset.). Funk a Wagnalls.

Chicago Style (17th ed.) Citation

Fisher, Irving. How to Live: Rules for Healthful Living Based on Modern Science. Authorized by and Prepared in Collaboration with the Hygiene Reference Board of the Life Extension Institute, Inc. By Irving Fisher and Eugene Lyman Fisk. 15. edition completely revised enlarged and reset. New York and London: Funk a Wagnalls, 1921.

MLA (9th ed.) Citation

Fisher, Irving. How to Live: Rules for Healthful Living Based on Modern Science. Authorized by and Prepared in Collaboration with the Hygiene Reference Board of the Life Extension Institute, Inc. By Irving Fisher and Eugene Lyman Fisk. 15. edition completely revised enlarged and reset. Funk a Wagnalls, 1921.

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