Nichols, W. J. (2015). Blue mind: The surprising science that shows how being near, in, on, or under water can make you happier, healthier, more connected, and better at what you do. New York: Back Bay Books.

Nichols, Wallace J.. Blue Mind: The Surprising Science That Shows How Being Near, In, On, or Under Water Can Make You Happier, Healthier, More Connected, and Better At What You Do. New York: Back Bay Books, 2015.

Nichols, Wallace J.. Blue Mind: The Surprising Science That Shows How Being Near, In, On, or Under Water Can Make You Happier, Healthier, More Connected, and Better At What You Do. New York: Back Bay Books, 2015.